regenerate css

src/theme/book.css

@@ -264,15 +264,11 @@ table thead td {
   line-height: 25px;
   white-space: nowrap;
 }
-.theme-popup .theme:hover:first-child {
+.theme-popup .theme:hover:first-child,
+.theme-popup .theme:hover:last-child {
   border-top-left-radius: inherit;
   border-top-right-radius: inherit;
 }
-.theme-popup .theme:hover:last-child {
-  border-bottom-left-radius: inherit;
-  border-bottom-right-radius: inherit;
-}
-
 @media only screen and (max-width: 1250px) {
   .nav-chapters {
     display: none;
@@ -765,9 +761,11 @@ table thead td {
 .rust pre > .result {
   margin-top: 10px;
 }
-
+@media only print {
-@media print {
+  #sidebar,
-  #sidebar {
+  #menu-bar,
+  .nav-chapters,
+  .mobile-nav-chapters {
     display: none;
   }
   #page-wrapper {
@@ -779,16 +777,40 @@ table thead td {
     margin: 0;
     padding: 0;
   }
-  #menu-bar {
-    display: none;
-  }
   .page {
     overflow-y: initial;
   }
-  .nav-chapters {
+  code {
-    display: none;
+    background-color: #666;
+    -webkit-border-radius: 5px;
+    border-radius: 5px;
+/* Force background to be printed in Chrome */
+    -webkit-print-color-adjust: exact;
   }
-  .mobile-nav-chapters {
+  a,
-    display: none;
+  a:visited,
+  a:active,
+  a:hover {
+    color: #4183c4;
+    text-decoration: none;
+  }
+  h1,
+  h2,
+  h3,
+  h4,
+  h5,
+  h6 {
+    page-break-inside: avoid;
+    page-break-after: avoid;
+/*break-after: avoid*/
+  }
+  pre,
+  code {
+    page-break-inside: avoid;
+    white-space: pre-wrap /* CSS 3 */;
+    white-space: -moz-pre-wrap /* Mozilla, since 1999 */;
+    white-space: -pre-wrap /* Opera 4-6 */;
+    white-space: -o-pre-wrap /* Opera 7 */;
+    word-wrap: break-word /* Internet Explorer 5.5+ */;
   }
 }

src/theme/stylus/book.styl

@@ -7,3 +7,4 @@
 @import 'nav-icons'
 @import 'theme-popup'
 @import 'themes'
+@import 'print'