Avoid resizing page/content on sidebar toggle

src/theme/book.css

@@ -6,6 +6,7 @@ body {
 body {
   margin: 0;
   font-size: 1rem;
+  overflow-x: hidden;
 }
 code {
   font-family: "Source Code Pro", Consolas, "Ubuntu Mono", Menlo, "DejaVu Sans Mono", monospace, monospace;
@@ -109,28 +110,25 @@ table thead td {
   white-space: nowrap;
 }
 .page-wrapper {
-  padding-left: 300px;
   -webkit-box-sizing: border-box;
   -moz-box-sizing: border-box;
   box-sizing: border-box;
   min-height: 100%;
-  -webkit-transition: padding-left 0.5s, margin-right 0.5s;
-  -moz-transition: padding-left 0.5s, margin-right 0.5s;
-  -o-transition: padding-left 0.5s, margin-right 0.5s;
-  -ms-transition: padding-left 0.5s, margin-right 0.5s;
-  transition: padding-left 0.5s, margin-right 0.5s;
-}
-@media only screen and (max-width: 1060px) {
-  .page-wrapper {
-    padding-left: 0;
-  }
-}
-.sidebar-hidden .page-wrapper {
-  padding-left: 0;
+  width: 100%;
+  -webkit-transition: padding-left 0.5s, margin-left 0.5s;
+  -moz-transition: padding-left 0.5s, margin-left 0.5s;
+  -o-transition: padding-left 0.5s, margin-left 0.5s;
+  -ms-transition: padding-left 0.5s, margin-left 0.5s;
+  transition: padding-left 0.5s, margin-left 0.5s;
 }
 .sidebar-visible .page-wrapper {
   padding-left: 300px;
-  margin-right: -300px;
+}
+@media only screen and (max-width: 1079px) {
+  .sidebar-visible .page-wrapper {
+    padding-left: 0;
+    margin-left: 300px;
+  }
 }
 .page {
   outline: 0;

src/theme/stylus/general.styl

@@ -6,6 +6,7 @@ html, body {
 body {
     margin: 0;
     font-size: 1rem;
+    overflow-x: hidden
 }
 
 code {

src/theme/stylus/page.styl

@@ -1,26 +1,24 @@
 @require 'variables'
 
 .page-wrapper {
-    padding-left: $sidebar-width
     box-sizing: border-box
 
     min-height: 100%
+    width: 100%
 
     // Animation: slide away
-    transition: padding-left 0.5s, margin-right 0.5s
-
-    @media only screen and (max-width: $max-page-width-with-hidden-sidebar) {
-        padding-left: 0
-    }
-}
-
-.sidebar-hidden .page-wrapper {
-    padding-left: 0
+    transition: padding-left 0.5s, margin-left 0.5s
 }
 
 .sidebar-visible .page-wrapper {
     padding-left: $sidebar-width
-    margin-right: - $sidebar-width
+}
+
+@media only screen and (max-width: $page-plus-sidebar-width - 1) {
+    .sidebar-visible .page-wrapper {
+        padding-left: 0
+        margin-left: $sidebar-width
+    }
 }
 
 .page {
@@ -30,7 +28,7 @@
 
 .content {
     margin-left: auto
-    margin-right:auto
+    margin-right: auto
     max-width: $content-max-width
     padding-bottom: 50px
 

src/theme/stylus/variables.styl

@@ -1,4 +1,5 @@
 $sidebar-width = 300px
 $page-padding = 15px
-$max-page-width-with-hidden-sidebar = 1060px
 $content-max-width = 750px
+$max-page-width-with-hidden-sidebar = 1060px
+$page-plus-sidebar-width = $content-max-width + $sidebar-width + $page-padding * 2