diff --git a/slide.typ b/slide.typ
index 60c0f0af5..32b6ee500 100644
--- a/slide.typ
+++ b/slide.typ
@@ -323,9 +323,43 @@
   return (result-arr, max-repetitions)
 }
 
+#let _get-negative-pad(self) = {
+  let margin = self.page-args.margin
+  if type(margin) != dictionary and type(margin) != length and type(margin) != relative {
+    return it => it
+  }
+  let cell = block.with(width: 100%, height: 100%, above: 0pt, below: 0pt, breakable: false)
+  if type(margin) == length or type(margin) == relative {
+    return it => pad(x: -margin, cell(it))
+  }
+  let pad-args = (:)
+  if "x" in margin {
+    pad-args.x = -margin.x
+  }
+  if "left" in margin {
+    pad-args.left = -margin.left
+  }
+  if "right" in margin {
+    pad-args.right = -margin.right
+  }
+  if "rest" in margin {
+    pad-args.rest = -margin.rest
+  }
+  it => pad(..pad-args, cell(it))
+}
+
 #let _get-header-footer(self) = {
   let header = utils.call-or-display(self, self.page-args.at("header", default: none))
   let footer = utils.call-or-display(self, self.page-args.at("footer", default: none))
+  if self.full-header or self.full-footer {
+    let negative-pad = _get-negative-pad(self)
+    if self.full-header {
+      header = negative-pad(header)
+    }
+    if self.full-footer {
+      footer = negative-pad(footer)
+    }
+  }
   (header, footer)
 }
 
@@ -341,9 +375,6 @@
   ..bodies,
 ) = {
   assert(bodies.named().len() == 0, message: "unexpected named arguments:" + repr(bodies.named().keys()))
-  let setting-with-pad(body) = {
-    pad(..self.padding, setting(body))
-  }
   let composer-with-side-by-side(..args) = {
     if type(composer) == function {
       composer(..args)
@@ -407,9 +438,10 @@
   if repeat == none {
     return {
       header = _update-states(1) + header
-      page(..(self.page-args + (header: header, footer: footer)), setting-with-pad(
+      set page(..(self.page-args + (header: header, footer: footer)))
+      setting(
         page-preamble(1) + composer-with-side-by-side(..bodies)
-      ))
+      )
     }
   }
   
@@ -417,9 +449,10 @@
     self.subslide = repeat
     let (conts, _) = _parse-content(self: self, index: repeat, ..bodies)
     header = _update-states(1) + header
-    page(..(self.page-args + (header: header, footer: footer)), setting-with-pad(
+    set page(..(self.page-args + (header: header, footer: footer)))
+    setting(
       page-preamble(1) + composer-with-side-by-side(..conts)
-    ))
+    )
   } else {
     // render all the subslides
     let result = ()
@@ -433,10 +466,10 @@
       if i == 1 {
         new-header = _update-states(repeat) + new-header
       }
-      result.push(page(
-        ..(self.page-args + (header: new-header, footer: footer)),
-        setting-with-pad(page-preamble(i) + composer-with-side-by-side(..conts)),
-      ))
+      result.push({
+        set page(..(self.page-args + (header: new-header, footer: footer)))
+        setting(page-preamble(i) + composer-with-side-by-side(..conts))
+      })
     }
     // return the result
     result.sum()
@@ -593,8 +626,11 @@
     header: none,
     footer: none,
     fill: rgb("#ffffff"),
+    margin: (x: 7%, y: 12%),
   ),
-  padding: (x: 0em, y: 0em),
+  // full header / footer
+  full-header: true,
+  full-footer: true,
   // datetime format
   datetime-format: auto,
   // register the methods
diff --git a/themes/aqua.typ b/themes/aqua.typ
index b631b22c2..60fcc6d43 100644
--- a/themes/aqua.typ
+++ b/themes/aqua.typ
@@ -194,11 +194,15 @@
       circle(radius: 13pt, fill: white))
   }
   let header(self) = {
-    place(center + top, dy: 45%,
-      rect(width: 100%, height: 100%, fill: self.colors.primary))
-    place(left + top, line(start: (30%, 30%), end: (27%, 200%), stroke: 7pt + white))
-    place(left + bottom, dx: 4%, dy: 15%,
-      text(fill:white, self.aqua-title))
+    place(center + top, dy: .5em,
+      rect(
+        width: 100%,
+        height: 1.8em,
+        fill: self.colors.primary,
+        align(left + horizon, h(1.5em) + text(fill:white, self.aqua-title))
+      )
+    )
+    place(left + top, line(start: (30%, 0%), end: (27%, 100%), stroke: .5em + white))
   }
   let footer(self) = {
     set text(size: 0.8em)
@@ -206,11 +210,10 @@
   }
   self.page-args += (
     paper: "presentation-" + aspect-ratio,
-    margin: (x: 0em, top: 10%, bottom: 10%),
+    margin: (x: 2em, top: 3.5em, bottom: 2em),
     header: header,
     footer: footer,
   )
-  self.padding += (x: 5%, top: 7%)
   self.methods.init = (self: none, body) => {
     set text(size: 20pt)
     body
diff --git a/themes/dewdrop.typ b/themes/dewdrop.typ
index dbbdb1cbd..94d395947 100644
--- a/themes/dewdrop.typ
+++ b/themes/dewdrop.typ
@@ -278,13 +278,12 @@
     header-ascent: 0em,
     footer-descent: 0em,
   ) + if navigation == "sidebar" {(
-    margin: (top: 2em, bottom: 1em, x: 0em),
+    margin: (top: 2em, bottom: 1em, x: sidebar.width),
   )} else if navigation == "mini-slides" {(
-    margin: (top: mini-slides.height, bottom: 2em, x: 0em),
+    margin: (top: mini-slides.height, bottom: 2em, x: mini-slides.x),
   )} else {(
-    margin: (top: 2em, bottom: 2em, x: 0em),
+    margin: (top: 2em, bottom: 2em, x: mini-slides.x),
   )}
-  self.padding = (x: if navigation == "sidebar" { sidebar.width } else { mini-slides.x }, y: 0em)
   // register methods
   self.methods.slide = slide
   self.methods.title-slide = title-slide
diff --git a/themes/metropolis.typ b/themes/metropolis.typ
index ed9c712f2..cb967e079 100644
--- a/themes/metropolis.typ
+++ b/themes/metropolis.typ
@@ -167,9 +167,8 @@
     footer: footer,
     header-ascent: 30%,
     footer-descent: 30%,
-    margin: (top: 3em, bottom: 1.5em, x: 0em),
+    margin: (top: 3em, bottom: 1.5em, x: 2em),
   )
-  self.padding = (x: 2em, y: 0em)
   // register methods
   self.methods.slide = slide
   self.methods.title-slide = title-slide
diff --git a/themes/simple.typ b/themes/simple.typ
index abe3dc0b1..0267cc6f8 100644
--- a/themes/simple.typ
+++ b/themes/simple.typ
@@ -18,7 +18,7 @@
 }
 
 #let centered-slide(self: none, section: none, ..args) = {
-  self = utils.empty-page(self)
+  self = utils.empty-page(self, margin: none)
   (self.methods.touying-slide)(self: self, repeat: none, section: section, ..args.named(),
     align(center + horizon, if section != none { heading(level: 1, utils.unify-section(section).title) } + args.pos().sum(default: []))
   )
@@ -33,7 +33,7 @@
 }
 
 #let focus-slide(self: none, background: auto, foreground: white, body) = {
-  self = utils.empty-page(self)
+  self = utils.empty-page(self, margin: none)
   self.page-args.fill = if background == auto { self.colors.primary } else { background }
   set text(fill: foreground, size: 1.5em)
   centered-slide(self: self, align(center + horizon, body))
@@ -75,6 +75,8 @@
     footer-descent: 1em,
     header-ascent: 1em,
   )
+  self.full-header = false
+  self.full-footer = false
   // register methods
   self.methods.slide = slide
   self.methods.title-slide = title-slide
diff --git a/themes/university.typ b/themes/university.typ
index e0beca4a9..6e759f3fd 100644
--- a/themes/university.typ
+++ b/themes/university.typ
@@ -262,9 +262,8 @@
     footer: footer,
     header-ascent: 0em,
     footer-descent: 0em,
-    margin: (top: 2.5em, bottom: 1em, x: 0em),
+    margin: (top: 2.5em, bottom: 1em, x: 2em),
   )
-  self.padding = (x: 2em, y: 0em)
   // register methods
   self.methods.slide = slide
   self.methods.title-slide = title-slide
diff --git a/utils/utils.typ b/utils/utils.typ
index 631258fc3..4839e6146 100644
--- a/utils/utils.typ
+++ b/utils/utils.typ
@@ -7,13 +7,14 @@
 }
 
 // OOP: empty page
-#let empty-page(self) = {
+#let empty-page(self, margin: (x: 0em, y: 0em)) = {
   self.page-args += (
     header: none,
     footer: none,
-    margin: (x: 0em, y: 0em),
   )
-  self.padding = (x: 0em, y: 0em)
+  if margin != none {
+    self.page-args += (margin: margin)
+  }
   self
 }