index.css

.github-fork-ribbon {
  width: 12.1em;
  height: 12.1em;
  position: absolute;
  overflow: hidden;
  top: 0;
  right: 0;
  z-index: 9999;
  pointer-events: none;
  font-size: 13px;
  text-decoration: none;
  text-indent: -999999px;
}
.github-fork-ribbon.fixed {
  position: fixed;
}
.github-fork-ribbon:before,
.github-fork-ribbon:after {
  position: absolute;
  display: block;
  width: 15.38em;
  height: 1.54em;
  top: 3.23em;
  right: -3.23em;
  -webkit-box-sizing: content-box;
  box-sizing: content-box;
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
}
.github-fork-ribbon:before {
  content: "";
  padding: 0.38em 0;
  background-color: #f06;
  background-image: -webkit-gradient(
    linear,
    left top,
    left bottom,
    from(rgba(0, 0, 0, 0)),
    to(rgba(0, 0, 0, 0.15))
  );
  background-image: -webkit-linear-gradient(
    top,
    rgba(0, 0, 0, 0),
    rgba(0, 0, 0, 0.15)
  );
  background-image: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0),
    rgba(0, 0, 0, 0.15)
  );
  /* Add a drop shadow */

  -webkit-box-shadow: 0 0.15em 0.23em 0 rgba(0, 0, 0, 0.5);
  box-shadow: 0 0.15em 0.23em 0 rgba(0, 0, 0, 0.5);
  pointer-events: auto;
}
.github-fork-ribbon:after {
  /* Set the text from the title attribute */

  content: attr(title);
  /* Set the text properties */

  color: #fff;
  font: 700 1em "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.54em;
  text-decoration: none;
  text-shadow: 0 -0.08em rgba(0, 0, 0, 0.5);
  text-align: center;
  text-indent: 0;
  /* Set the layout properties */

  padding: 0.15em 0;
  margin: 0.15em 0;
  /* Add "stitching" effect */

  border-width: 0.08em 0;
  border-style: dotted;
  border-color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
}
.github-fork-ribbon.left-top:before,
.github-fork-ribbon.left-top:after {
  right: auto;
  left: -3.23em;
}
.github-fork-ribbon.left-top:before,
.github-fork-ribbon.left-top:after {
  -webkit-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

#app {
  max-width: 800px;
  margin: 0 auto;
}
.text-center {
  text-align: center;
}
.avatar {
  width: 160px;
  height: 160px;
  margin-bottom: 24px;
  margin-top: 24px;
  border-radius: 50%;
  border: 2px solid #ccc;
}


.info {
  padding: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.ivu-row {
  margin-bottom: 10px;
}
@media screen and (max-width: 800px) {
  #origin,
  #new {
    display: block;
    width: 90%;
    margin: 10px auto;
    border: 2px solid #eee;
  }
}
#canvas,#image {
  width: 360px;
  margin: 10px;
}