diff --git a/app/Card.js b/app/Card.js
index eec6e36cf..83edad146 100644
--- a/app/Card.js
+++ b/app/Card.js
@@ -1,6 +1,7 @@
 "use strict";
 const Error = require('../lib/error.js');
 const uuidv4 = require('uuid/v4');
+const Stack = require('../app/Stacks.js');
 
 module.exports = class Card {
   constructor({
@@ -28,10 +29,21 @@ module.exports = class Card {
     this.title = document.createElement('span');
     $(this.title).html("My Card");
 
+    this.closeButton = document.createElement('button');
+      $(this.closeButton).click(() => console.log('close button clicked'))
+    this.saveButton = document.createElement('button');
+      $(this.saveButton).click(() => console.log('save button clicked'))
+    this.fullscreenButton = document.createElement('button');
+      $(this.fullscreenButton).click(() => console.log('fullscreen button clicked'));
+
     this.header.appendChild(this.title);
+    this.header.appendChild(this.closeButton);
+    this.header.appendChild(this.saveButton);
+    this.header.appendChild(this.fullscreenButton);
     this.card.appendChild(this.header);
     context.appendChild(this.card);
     if (modal) this.toggleDraggable();
+    this.toggleDroppable();
   }
 
   updateMetadata() {
@@ -53,12 +65,16 @@ module.exports = class Card {
       $(this.card).draggable({
         handle: '.card-header',
         containment: 'window',
+        stack: '.card, .stack',
         start: function() {
           $(this).css({
             transform: 'none',
             top: $(this).offset().top+'px',
             left: $(this).offset().left+'px'
           });
+        },
+        drag: (event, ui) => {
+          this.updateMetadata();
         }
       });
     }
@@ -68,7 +84,17 @@ module.exports = class Card {
     if ($(this.card).data('droppable')) {
       $(this.card).droppable('disable');
     } else {
-      $(this.card).droppable();
+      $(this.card).droppable({
+        accept: '.card, .stack',
+        drop: function(event, ui) {
+          //handles card-to-card drop events
+          if ($(ui.draggable).hasClass('card')) {
+            new Stack($(this), $(ui.draggable));
+            // console.log(this, ui.draggable);
+            // console.log($(this), $(ui.draggable));
+          }
+        },
+      });
     }
   }
 }
diff --git a/app/Stacks.js b/app/Stacks.js
index 123f78f8c..631f70593 100644
--- a/app/Stacks.js
+++ b/app/Stacks.js
@@ -5,20 +5,26 @@ const TOTAL_SIZE = CARD_WIDTH + CARD_PADDING;
 const OFFSET_LEFT = 35;
 const OFFSET_TOP = 15;
 const uuidv4 = require('uuid/v4');
+const Card = require('../app/Card.js');
 
 module.exports = class Stack {
   // constructor uses ECMA-262 rest parameters and spread syntax
-  constructor() {
+  constructor(...cards) {
     this.cards = [];
     this.id = 3;
     this.uuid = uuidv4();
     this.state = 'collapsed';
 
     this.stack = document.createElement('div');
-    $(this.stack).attr('class', 'stack');
-
+    $(this.stack).attr('class', 'stack')
+      // .css({
+      //   top: $(cards[0]).offset().top - 25,
+      //   left: $(cards[0]).offset().left - 25,
+      // });
     this.closeButton = document.createElement('button');
     $(this.closeButton).attr('class', 'stackClose');
+    $(this.closeButton).click(() => console.log('close button clicked'))
+
 
     this.annotation = document.createElement('textarea');
     $(this.annotation).attr({
@@ -28,16 +34,27 @@ module.exports = class Stack {
 
     this.expandButton = document.createElement('button');
     $(this.expandButton).attr('class', 'stackExpandButton');
+    $(this.expandButton).click(() => console.log('expand button clicked'))
 
     this.stack.appendChild(this.closeButton);
     this.stack.appendChild(this.annotation);
     this.stack.appendChild(this.expandButton);
     document.body.appendChild(this.stack);
+
+    for(var i = 0; i < cards.length; i++){
+      this.addCard(cards[i]);
+    }
+    this.toggleDraggable();
+    this.cascadeCards();
   }
 
   // add individual card to the top of the stack
-  addCard(card) {
-    this.cards.push(card);
+  addCard(currCard) {
+    this.cards.push(currCard);
+    let body = document.querySelector('.card');
+    this.stack.appendChild(body);
+    // currCard.droppable('disable');
+    console.log('card added');
   }
 
   // remove individual card from the stack
@@ -47,12 +64,28 @@ module.exports = class Stack {
 
   // position all stacked cards according to their index within the stack
   cascadeCards() {
-    this.cards.forEach((cards, index) => {
-      $(cards.card).css({
-        top: $(this.stack).offset().top + ((index + 1) * 25) + 'px',
-        left: $(this.stack).offset().left + ((index + 1) * 25) + 'px',
-        'z-index': (index + 1),
+    for(var i = 0; i < this.cards.length; i++){
+      $(this.cards[i]).css({
+        top: $(this.stack).offset().top + ((i + 1) * 25) + 'px',
+        left: $(this.stack).offset().left + ((i + 1) * 25) + 'px',
+        'z-index': (i + 1),
+      });
+    }
+  }
+
+  //enables a stack to be dragged
+  toggleDraggable() {
+    if($(this.stack).data('draggable')) {
+      $(this.stack).draggable('disable');
+    }
+    else {
+      $(this.stack).draggable({
+        containment: 'window',
+        stack: '.stack, .card',
+        drag: (event, ui) => this.cascadeCards(),
       });
-    });
+    }
   }
+
+
 }
diff --git a/package-lock.json b/package-lock.json
index 70d526111..8980c2573 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -122,7 +122,7 @@
         "readable-stream": {
           "version": "2.3.3",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.3.tgz",
-          "integrity": "sha512-m+qzzcn7KUxEmd1gMbchF+Y2eIUbieUaxkWtptyHywrX0rE8QEYqPC07Vuy4Wm32/xE16NcdBctb8S0Xe/5IeQ==",
+          "integrity": "sha1-No8lEtefnUb9/HE0mueHi7weuVw=",
           "dev": true,
           "requires": {
             "core-util-is": "1.0.2",
@@ -137,7 +137,7 @@
         "string_decoder": {
           "version": "1.0.3",
           "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
-          "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+          "integrity": "sha1-D8Z9fBQYJd6UKC3VNr7GubzoYKs=",
           "dev": true,
           "requires": {
             "safe-buffer": "5.1.1"
@@ -168,7 +168,7 @@
         "readable-stream": {
           "version": "2.3.3",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.3.tgz",
-          "integrity": "sha512-m+qzzcn7KUxEmd1gMbchF+Y2eIUbieUaxkWtptyHywrX0rE8QEYqPC07Vuy4Wm32/xE16NcdBctb8S0Xe/5IeQ==",
+          "integrity": "sha1-No8lEtefnUb9/HE0mueHi7weuVw=",
           "dev": true,
           "requires": {
             "core-util-is": "1.0.2",
@@ -183,7 +183,7 @@
         "string_decoder": {
           "version": "1.0.3",
           "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
-          "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+          "integrity": "sha1-D8Z9fBQYJd6UKC3VNr7GubzoYKs=",
           "dev": true,
           "requires": {
             "safe-buffer": "5.1.1"
@@ -246,7 +246,7 @@
     "arr-flatten": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/arr-flatten/-/arr-flatten-1.1.0.tgz",
-      "integrity": "sha512-L3hKV5R/p5o81R7O02IGnwpDmkp6E982XhtbuwSe3O4qOtMMMtodicASA1Cny2U+aCXcNpml+m4dPsvsJ3jatg==",
+      "integrity": "sha1-NgSLv/TntH4TZkQxbJlmnqWukfE=",
       "dev": true,
       "optional": true
     },
@@ -322,7 +322,7 @@
     "async": {
       "version": "2.5.0",
       "resolved": "https://registry.npmjs.org/async/-/async-2.5.0.tgz",
-      "integrity": "sha512-e+lJAJeNWuPCNyxZKOBdaJGyLGHugXVQtrAwtuAe2vhxTYxFTKE73p8JuTmdH0qdQZtDvI4dhJwjZc5zsfIsYw==",
+      "integrity": "sha1-hDGQ/WtzV6C54clW7d3V7IRitU0=",
       "dev": true,
       "requires": {
         "lodash": "4.17.4"
@@ -963,7 +963,7 @@
     "babylon": {
       "version": "6.17.4",
       "resolved": "https://registry.npmjs.org/babylon/-/babylon-6.17.4.tgz",
-      "integrity": "sha512-kChlV+0SXkjE0vUn9OZ7pBMWRFd8uq3mZe8x1K6jhuNcAFAtEnjchFAqB+dYEXKyd+JpT6eppRR78QAr5gTsUw==",
+      "integrity": "sha1-Pot0AriNIsNCPhN6FXeIOxX/hpo=",
       "dev": true
     },
     "balanced-match": {
@@ -1023,7 +1023,7 @@
         "readable-stream": {
           "version": "2.3.3",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.3.tgz",
-          "integrity": "sha512-m+qzzcn7KUxEmd1gMbchF+Y2eIUbieUaxkWtptyHywrX0rE8QEYqPC07Vuy4Wm32/xE16NcdBctb8S0Xe/5IeQ==",
+          "integrity": "sha1-No8lEtefnUb9/HE0mueHi7weuVw=",
           "dev": true,
           "requires": {
             "core-util-is": "1.0.2",
@@ -1038,7 +1038,7 @@
         "string_decoder": {
           "version": "1.0.3",
           "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
-          "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+          "integrity": "sha1-D8Z9fBQYJd6UKC3VNr7GubzoYKs=",
           "dev": true,
           "requires": {
             "safe-buffer": "5.1.1"
@@ -1177,7 +1177,6 @@
       "requires": {
         "anymatch": "1.3.0",
         "async-each": "1.0.1",
-        "fsevents": "1.1.2",
         "glob-parent": "2.0.0",
         "inherits": "2.0.3",
         "is-binary-path": "1.0.1",
@@ -1254,7 +1253,7 @@
     "commander": {
       "version": "2.11.0",
       "resolved": "https://registry.npmjs.org/commander/-/commander-2.11.0.tgz",
-      "integrity": "sha512-b0553uYA5YAEGgyYIGYROzKQ7X5RAqedkfjiZxwi0kL1g3bOaBNNZfYkzt/CL0umgD5wc9Jec2FbB98CjkMRvQ==",
+      "integrity": "sha1-FXFS/R56bI2YpbcVzzdt+SgARWM=",
       "dev": true
     },
     "compare-version": {
@@ -1284,7 +1283,7 @@
         "readable-stream": {
           "version": "2.3.3",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.3.tgz",
-          "integrity": "sha512-m+qzzcn7KUxEmd1gMbchF+Y2eIUbieUaxkWtptyHywrX0rE8QEYqPC07Vuy4Wm32/xE16NcdBctb8S0Xe/5IeQ==",
+          "integrity": "sha1-No8lEtefnUb9/HE0mueHi7weuVw=",
           "dev": true,
           "requires": {
             "core-util-is": "1.0.2",
@@ -1299,7 +1298,7 @@
         "string_decoder": {
           "version": "1.0.3",
           "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
-          "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+          "integrity": "sha1-D8Z9fBQYJd6UKC3VNr7GubzoYKs=",
           "dev": true,
           "requires": {
             "safe-buffer": "5.1.1"
@@ -1333,7 +1332,7 @@
         "readable-stream": {
           "version": "2.3.3",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.3.tgz",
-          "integrity": "sha512-m+qzzcn7KUxEmd1gMbchF+Y2eIUbieUaxkWtptyHywrX0rE8QEYqPC07Vuy4Wm32/xE16NcdBctb8S0Xe/5IeQ==",
+          "integrity": "sha1-No8lEtefnUb9/HE0mueHi7weuVw=",
           "dev": true,
           "requires": {
             "core-util-is": "1.0.2",
@@ -1348,7 +1347,7 @@
         "string_decoder": {
           "version": "1.0.3",
           "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
-          "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+          "integrity": "sha1-D8Z9fBQYJd6UKC3VNr7GubzoYKs=",
           "dev": true,
           "requires": {
             "safe-buffer": "5.1.1"
@@ -1411,7 +1410,7 @@
         "readable-stream": {
           "version": "2.3.3",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.3.tgz",
-          "integrity": "sha512-m+qzzcn7KUxEmd1gMbchF+Y2eIUbieUaxkWtptyHywrX0rE8QEYqPC07Vuy4Wm32/xE16NcdBctb8S0Xe/5IeQ==",
+          "integrity": "sha1-No8lEtefnUb9/HE0mueHi7weuVw=",
           "dev": true,
           "requires": {
             "core-util-is": "1.0.2",
@@ -1426,7 +1425,7 @@
         "string_decoder": {
           "version": "1.0.3",
           "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
-          "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+          "integrity": "sha1-D8Z9fBQYJd6UKC3VNr7GubzoYKs=",
           "dev": true,
           "requires": {
             "safe-buffer": "5.1.1"
@@ -1709,7 +1708,7 @@
     "electron-mocha": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/electron-mocha/-/electron-mocha-4.0.0.tgz",
-      "integrity": "sha512-N/A3P7S/fDu0d4TfFnOUFhNCITAT8TUJgM070RE7lQVjfyu+m9JvVgEmALFXPj7zTanmT2eKqthNrd5qxeQxbw==",
+      "integrity": "sha1-98I9i+e1uW+WxV0FPpFsskbk/gE=",
       "dev": true,
       "requires": {
         "commander": "2.11.0",
@@ -1931,7 +1930,7 @@
     "es6-promise": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-4.1.1.tgz",
-      "integrity": "sha512-OaU1hHjgJf+b0NzsxCg7NdIYERD6Hy/PEmFLTjw+b65scuisG3Kt4QoTvJ66BBkPZ581gr0kpoVzKnxniM8nng==",
+      "integrity": "sha1-iBHpCRXZoNujYnTwskLb2nj5ySo=",
       "dev": true
     },
     "escape-string-regexp": {
@@ -2209,905 +2208,6 @@
       "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
       "dev": true
     },
-    "fsevents": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-1.1.2.tgz",
-      "integrity": "sha512-Sn44E5wQW4bTHXvQmvSHwqbuiXtduD6Rrjm2ZtUEGbyrig+nUH3t/QD4M4/ZXViY556TBpRgZkHLDx3JxPwxiw==",
-      "dev": true,
-      "optional": true,
-      "requires": {
-        "nan": "2.6.2",
-        "node-pre-gyp": "0.6.36"
-      },
-      "dependencies": {
-        "abbrev": {
-          "version": "1.1.0",
-          "bundled": true,
-          "dev": true,
-          "optional": true
-        },
-        "ajv": {
-          "version": "4.11.8",
-          "bundled": true,
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "co": "4.6.0",
-            "json-stable-stringify": "1.0.1"
-          }
-        },
-        "ansi-regex": {
-          "version": "2.1.1",
-          "bundled": true,
-          "dev": true
-        },
-        "aproba": {
-          "version": "1.1.1",
-          "bundled": true,
-          "dev": true,
-          "optional": true
-        },
-        "are-we-there-yet": {
-          "version": "1.1.4",
-          "bundled": true,
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "delegates": "1.0.0",
-            "readable-stream": "2.2.9"
-          }
-        },
-        "asn1": {
-          "version": "0.2.3",
-          "bundled": true,
-          "dev": true,
-          "optional": true
-        },
-        "assert-plus": {
-          "version": "0.2.0",
-          "bundled": true,
-          "dev": true,
-          "optional": true
-        },
-        "asynckit": {
-          "version": "0.4.0",
-          "bundled": true,
-          "dev": true,
-          "optional": true
-        },
-        "aws-sign2": {
-          "version": "0.6.0",
-          "bundled": true,
-          "dev": true,
-          "optional": true
-        },
-        "aws4": {
-          "version": "1.6.0",
-          "bundled": true,
-          "dev": true,
-          "optional": true
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-        "balanced-match": {
-          "version": "0.4.2",
-          "bundled": true,
-          "dev": true
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-          "version": "1.0.1",
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-          "version": "0.0.9",
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-          "dev": true,
-          "requires": {
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-          }
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-        "boom": {
-          "version": "2.10.1",
-          "bundled": true,
-          "dev": true,
-          "requires": {
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-          "version": "1.1.7",
-          "bundled": true,
-          "dev": true,
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-            "concat-map": "0.0.1"
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-        "buffer-shims": {
-          "version": "1.0.0",
-          "bundled": true,
-          "dev": true
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-        "caseless": {
-          "version": "0.12.0",
-          "bundled": true,
-          "dev": true,
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-        "co": {
-          "version": "4.6.0",
-          "bundled": true,
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-        "console-control-strings": {
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-          "version": "1.0.2",
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-        "cryptiles": {
-          "version": "2.0.5",
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-        "debug": {
-          "version": "2.6.8",
-          "bundled": true,
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-          "optional": true,
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-            "ms": "2.0.0"
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-        "deep-extend": {
-          "version": "0.4.2",
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-          "dev": true,
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-          "version": "1.0.0",
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-          "version": "1.0.0",
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-          "version": "0.1.1",
-          "bundled": true,
-          "dev": true,
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-        "extend": {
-          "version": "3.0.1",
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       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.1.tgz",
-      "integrity": "sha512-q4spe4KTfsAS1SUHLO0wz8Qiyf1+vMIAgpRYioFYDMNqKfHQbg+AVDH3i4fvpl71/P1L0dBl+fQi+P37UYf0ew==",
+      "integrity": "sha1-Yi4y6CSItJJ5EUpPns9F581rulU=",
       "requires": {
         "pseudomap": "1.0.2",
         "yallist": "2.1.2"
@@ -4164,7 +3264,7 @@
     "minimatch": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "integrity": "sha1-UWbihkV/AzBgZL5Ul+jbsMPTIIM=",
       "dev": true,
       "requires": {
         "brace-expansion": "1.1.8"
@@ -4296,13 +3396,6 @@
       "integrity": "sha1-MHXOk7whuPq0PhvE2n6BFe0ee6s=",
       "dev": true
     },
-    "nan": {
-      "version": "2.6.2",
-      "resolved": "https://registry.npmjs.org/nan/-/nan-2.6.2.tgz",
-      "integrity": "sha1-5P805slf37WuzAjeZZb0NgWn20U=",
-      "dev": true,
-      "optional": true
-    },
     "node-abi": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/node-abi/-/node-abi-2.1.0.tgz",
@@ -4342,7 +3435,7 @@
     "normalize-package-data": {
       "version": "2.4.0",
       "resolved": "https://registry.npmjs.org/normalize-package-data/-/normalize-package-data-2.4.0.tgz",
-      "integrity": "sha512-9jjUFbTPfEy3R/ad/2oNbKtW9Hgovl5O1FvFWKkKblNXoN/Oou6+9+KKohPK13Yc3/TyunyWhJp6gvRNR/PPAw==",
+      "integrity": "sha1-EvlaMH1YNSB1oEkHuErIvpisAS8=",
       "dev": true,
       "requires": {
         "hosted-git-info": "2.5.0",
@@ -4794,7 +3887,7 @@
     "randomatic": {
       "version": "1.1.7",
       "resolved": "https://registry.npmjs.org/randomatic/-/randomatic-1.1.7.tgz",
-      "integrity": "sha512-D5JUjPyJbaJDkuAazpVnSfVkLlpeO3wDlPROTMLGKG1zMFNFRgrciKo1ltz/AzNTkqE0HzDx655QOL51N06how==",
+      "integrity": "sha1-x6vpzIuHwLqodrGf3oP9RkeX44w=",
       "dev": true,
       "optional": true,
       "requires": {
@@ -4918,7 +4011,7 @@
         "readable-stream": {
           "version": "2.3.3",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.3.tgz",
-          "integrity": "sha512-m+qzzcn7KUxEmd1gMbchF+Y2eIUbieUaxkWtptyHywrX0rE8QEYqPC07Vuy4Wm32/xE16NcdBctb8S0Xe/5IeQ==",
+          "integrity": "sha1-No8lEtefnUb9/HE0mueHi7weuVw=",
           "dev": true,
           "optional": true,
           "requires": {
@@ -4934,7 +4027,7 @@
         "string_decoder": {
           "version": "1.0.3",
           "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
-          "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+          "integrity": "sha1-D8Z9fBQYJd6UKC3VNr7GubzoYKs=",
           "dev": true,
           "optional": true,
           "requires": {
@@ -5184,7 +4277,7 @@
     "safe-buffer": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
-      "integrity": "sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg==",
+      "integrity": "sha1-iTMSr2myEj3vcfV4iQAWce6yyFM=",
       "dev": true
     },
     "sanitize-filename": {
@@ -5529,7 +4622,7 @@
         "readable-stream": {
           "version": "2.3.3",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.3.tgz",
-          "integrity": "sha512-m+qzzcn7KUxEmd1gMbchF+Y2eIUbieUaxkWtptyHywrX0rE8QEYqPC07Vuy4Wm32/xE16NcdBctb8S0Xe/5IeQ==",
+          "integrity": "sha1-No8lEtefnUb9/HE0mueHi7weuVw=",
           "dev": true,
           "requires": {
             "core-util-is": "1.0.2",
@@ -5544,7 +4637,7 @@
         "string_decoder": {
           "version": "1.0.3",
           "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
-          "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+          "integrity": "sha1-D8Z9fBQYJd6UKC3VNr7GubzoYKs=",
           "dev": true,
           "requires": {
             "safe-buffer": "5.1.1"
@@ -5766,7 +4859,7 @@
     "uuid": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.1.0.tgz",
-      "integrity": "sha512-DIWtzUkw04M4k3bf1IcpS2tngXEL26YUD2M0tMDUpnUrz2hgzUBlD55a4FjdLGPvfHxS6uluGWvaVEqgBcVa+g=="
+      "integrity": "sha1-PdPT55Crwk17DToDT/q6vijrvAQ="
     },
     "v8flags": {
       "version": "2.1.1",
@@ -6075,7 +5168,7 @@
         "readable-stream": {
           "version": "2.3.3",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.3.tgz",
-          "integrity": "sha512-m+qzzcn7KUxEmd1gMbchF+Y2eIUbieUaxkWtptyHywrX0rE8QEYqPC07Vuy4Wm32/xE16NcdBctb8S0Xe/5IeQ==",
+          "integrity": "sha1-No8lEtefnUb9/HE0mueHi7weuVw=",
           "dev": true,
           "requires": {
             "core-util-is": "1.0.2",
@@ -6090,7 +5183,7 @@
         "string_decoder": {
           "version": "1.0.3",
           "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
-          "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+          "integrity": "sha1-D8Z9fBQYJd6UKC3VNr7GubzoYKs=",
           "dev": true,
           "requires": {
             "safe-buffer": "5.1.1"
diff --git a/style/stacks.css b/style/stacks.css
new file mode 100644
index 000000000..7230ed271
--- /dev/null
+++ b/style/stacks.css
@@ -0,0 +1,23 @@
+div.stack {
+  height: calc((280px * 1.25) + 100px);
+  width: calc((200px * 1.25) + 28px);
+  background-color: rgba(102, 204, 117, 0.6);
+  color: rgba(33, 37, 43, 1.0);
+  position: fixed;
+  cursor: move;
+  border: 0.5px solid rgb(125, 125, 125);
+  border-radius: 5px;
+}
+
+textarea.annotation {
+  position: absolute;
+  width: calc(100% - 35px);
+  background: transparent;
+  border: none;
+  bottom: 0;
+  left: 0;
+  border-radius: 5px;
+  overflow: hidden;
+  resize: none;
+  font-family: sans-serif;
+}
diff --git a/test/card-test.js b/test/card-test.js
index 39c7876aa..ff79b7668 100644
--- a/test/card-test.js
+++ b/test/card-test.js
@@ -61,12 +61,11 @@ describe('cards interactions', function () {
     }, Error);
   });
 
-  // // this test works except that modal: true crashes Spectron due to JQuery-UI
-  // it('Card instantiation without \'modal\' parameter does not throw Error', function () {
-  //   return assert.doesNotThrow(() => {
-  //     new Card({id: 1, type: 'text', context: document.body});
-  //   }, Error);
-  // });
+  it('Card instantiation without \'modal\' parameter does not throw Error', function () {
+    return assert.doesNotThrow(() => {
+      new Card({id: 1, type: 'text', context: document.body});
+    }, Error);
+  });
 
   it('two Card instances do not have the same uuid', function () {
       let card = new Card({id: 1, type: 'text', context: document.body, modal: true});
@@ -92,16 +91,6 @@ describe('cards interactions', function () {
     assert.notEqual(card.title, undefined);
   });
 
-  // it('document contains close, expand, and save buttons', function () {
-  //   let card = new Card({id: 1, context: document.body, modal: false});
-  //   let msg1 = 'document contains close button';
-  //   let msg2 = 'document contains expand button';
-  //   let msg3 = 'document contains save button';
-  //   assert.notEqual(card.closeButton, undefined, msg1);
-  //   assert.notEqual(card.saveButton, undefined, msg2);
-  //   assert.notEqual(card.fullscreenButton, undefined, msg3);
-  // });
-
   it('Card metadata updates only interaction timestamp', function () {
     var card = new Card({id: 1, type: 'text', context: document.body, modal: true});
     var createdTimestampBefore = card.createdTimestamp;
@@ -122,16 +111,47 @@ describe('cards interactions', function () {
     assert.notEqual(card.lastInteraction, lastInteractionBefore, msg3);
   });
 
-  // it('card dragability can be disabled', function () {
-  //   let card = new Card();
-  //   $(card.card).data('draggable');
-  //   if ($(card.card).draggable('disable'))
-  //     var disabled = 1;
-  //   return assert.equal(disabled, 1);
+  //test that if card dragability is disabled, that card cannot
+  //actually be moved in synectic app!
+  // it('card draggability can be disabled', function () {
+  //   var card = new Card({id: 1, type: 'text', context: document.body, modal: true});
+  //
+  //   $(card).draggable({
+  //     start: function (event, ui) {
+  //       startPosition = ui.position;
+  //       startOffset = ui.offset;
+  //     },
+  //     drag: function (event, ui) {
+  //       dragPosition = ui.position;
+  //       dragOffset = ui.offset;
+  //     },
+  //     stop: function (event, ui) {
+  //       stopPosition = ui.position;
+  //       stopOffset = ui.offset;
+  //     },
+  //   });
+  //   card.simulate('drag', {
+  //     dx: 10,
+  //     dy: 10,
+  //     moves: 1
+  //   });
+  //   startPosition.top += 10;
+  //   startPosition.left += 10;
+  //   startOffset.top += 10;
+  //   startOffset.left += 10;
+  //   let msg1 = "start potision equals drag position plus distance"
+  //   let msg2 = "drag position equals stop position"
+  //   let msg3 = "start offset equals drag offset plus distance"
+  //   let msg4 = "drag offset equals stop offset"
+  //   assert.equal(startPosition, dragPosition, msg1);
+  //   assert.equal(dragPosition, stopPosition, msg2);
+  //   assert.equal(startOffset, dragOffset, msg3);
+  //   assert.equal(dragOffset, stopOffset, msg4);
   // });
 
+  //error: elem.getClientRects is not a function (error references $(card).offset())
   // it('toggleDraggable sets correct card position', function () {
-  //   let card = new Card();
+  //   let card = new Card({id: 1, type: 'text', context: document.body, modal: true});
   //   $(card).css({top: 200, left: 250});
   //   var topPosition = $(card).offset().top + 'px';
   //   var leftPosition = $(card).offset().left + 'px';
@@ -143,16 +163,19 @@ describe('cards interactions', function () {
   //   assert.equal('250px', leftPosition, msg2);
   // });
 
-  // it('card dropability can be disabled', function () {
-  //   let card = new Card();
-  //   $(card.card).data('droppable');
-  //   if($(card.card).droppable('disabled')))
-  //     var disabled = 1;
-  //   return assert.equal(disabled, 1);
-  // });
+  //test to see that if card droppability is disabled,
+  //that card can no longer be dropped in synectic app!
+  it('card dropability can be disabled', function () {
+    let card = new Card({id: 1, type: 'text', context: document.body, modal: true});
+    $(card.card).data('droppable');
+    $(card.card).droppable();
+    if($(card.card).droppable('disable'))
+      var disabled = 1;
+    return assert.equal(disabled, 1);
+  });
 
   // it('card intance has correct height and width when fullscreen mode is toggled on', function () {
-  //   let card = new Card();
+  //   let card = new Card({id: 1, type: 'text', context: document.body, modal: true});
   //   card.toggleButton.trigger('click');
   //   var curHeight = card.offsetHeight;
   //   var curWdith = card.offsetWidth;
diff --git a/test/stacks-test.js b/test/stacks-test.js
new file mode 100644
index 000000000..cc927ded2
--- /dev/null
+++ b/test/stacks-test.js
@@ -0,0 +1,113 @@
+// A test to verify cards can be created and interacted
+var Application = require('spectron').Application;
+var electron = require('electron-prebuilt');
+var assert = require('assert');
+const path = require('path');
+var fs = require('fs');
+var Card = require('../app/Card.js');
+var Canvas = require('../app/Canvas.js');
+var Stack = require('../app/Stacks.js');
+
+describe('Stack interactions', function () {
+  this.timeout(30000);
+  var app;
+
+  before(function () {
+    this.jsdom = require('jsdom-global')()
+    global.$ = global.jQuery = require('jquery');
+    require('jquery-ui-bundle');
+
+    app = new Application({
+      path: electron,
+      args: [path.join(__dirname, '..', 'main.js')],
+    });
+    return app.start();
+  });
+
+  after(function () {
+    if (app && app.isRunning()) {
+      return app.stop();
+    }
+  });
+
+  it('creates a Stack instance', function () {
+    let stack = new Stack();
+    return assert.equal(stack.constructor.name, 'Stack')
+  });
+
+  it('stack contains div body, close button, expand button, ' +
+    'and annotation textarea', function () {
+    let stack = new Stack();
+    var stackDiv = stack.stack;
+    var closeButton = stack.closeButton;
+    var expandButton = stack.expandButton;
+    var annotation = stack.annotation;
+    let msg1 = 'Document must contain stack body div.';
+    let msg2 = 'Stack instance must have a close button.';
+    let msg3 = 'Stack instance must have an expand button';
+    let msg4 = 'Stack instance must have annotation textarea';
+    assert.notEqual(stack.stack, undefined, msg1);
+    assert.notEqual(stack.closeButton, undefined, msg2);
+    assert.notEqual(stack.expandButton, undefined, msg3);
+    assert.notEqual(stack.annotation, undefined, msg4);
+  });
+
+  it('stack instance tracks contained cards', function () {
+    let stack = new Stack();
+    return assert.notEqual(stack.cards, undefined);
+  });
+
+  it('stack is in collapsed state by default', function () {
+    let stack = new Stack();
+    return assert.equal(stack.state, 'collapsed');
+  });
+
+  it('two stack instances can be created', function () {
+    let stack = new Stack();
+    let stack2 = new Stack();
+    return assert.notEqual(stack, stack2);
+  });
+
+  it('two stack instances contain a separate set of cards', function () {
+    let stack = new Stack();
+    let stack2 = new Stack();
+    let card = new Card({id: 1, type: 'text', context: document.body, modal: true});
+    stack.addCard(card);
+    return assert.notEqual(stack.cards.length, stack2.cards.length);
+  });
+
+  it('cards can be removed from a stack instance', function () {
+    let stack = new Stack();
+    let card = new Card({id: 1, type: 'text', context: document.body, modal: true});
+    stack.addCard(card);
+    stack.removeCard();
+    return assert.equal(stack.cards.length, 0);
+  });
+
+  // it('cards are positioned correctly in a stack instance', function () {
+  //   let stack1 = new Stack();
+  //   let card1 = new Card({id: 1, type: 'text', context: document.body, modal: false});
+  //   let card2 = new Card({id: 2, type: 'text', context: document.body, modal: false});
+  //   $(stack1.stack).css({
+  //     top: '0px',
+  //     left: '0px',
+  //   });
+  //   stack1.addCard(card1);
+  //   stack1.addCard(card2);
+  //   stack1.cascadeCards();
+  //   let card1Position = $(stack1.cards[0]).offset();
+  //   let card2Position = $(stack1.cards[1]).offset();
+  //   let msg1 = 'card1 should have top value: 25px, but has top value: ' +
+  //     card1Top;
+  //   let msg2 = + 'card1 should have left value: 25px, but has left value: ' +
+  //     card1Left;
+  //   let msg3 = 'card2 should have top value: 50px, but has top value: ' +
+  //     card2Top;
+  //   let msg4 = + 'card2 should have left value: 50x, but has left value: ' +
+  //     card2Left;
+  //   assert.equal('25px', card1Position.top(), msg1);
+  //   assert.equal('25px', card1Position.left(), msg2);
+  //   assert.equal('50px', card2Position.top(), msg3);
+  //   assert.equal('50px', card2Position.left(), msg4);
+  // });
+});