Fix rendering of icons on devices

Author: GaelVaroquaux

index.rst

@@ -35,6 +35,8 @@ Scipy Lecture Notes
         margin-right: -20px;
         margin-top: -10px;
         border-radius: 6px;
+        font-family: FontAwesome, sans-serif;
+        min-width: 200pt;
     }
 
     div.sidebar ul {

themes/scipy_lectures/static/nature.css_t

@@ -11,6 +11,16 @@
 @import url("basic.css");
 @import url("default.css");
 
+/* For FontAwesome */
+@font-face {
+  font-family: 'FontAwesome';
+  src: url('http://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/fonts/fontawesome-webfont.eot?v=4.4.0');
+  src: url('http://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/fonts/fontawesome-webfont.eot?#iefix&v=4.4.0') format('embedded-opentype'), url('http://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/fonts/fontawesome-webfont.woff2?v=4.4.0') format('woff2'), url('http://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/fonts/fontawesome-webfont.woff?v=4.4.0') format('woff'), url('http://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/fonts/fontawesome-webfont.ttf?v=4.4.0') format('truetype'), url('http://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/fonts/fontawesome-webfont.svg?v=4.4.0#fontawesomeregular') format('svg');
+  font-weight: normal;
+  font-style: normal;
+}
+
+
 body {
   font-size: 110%;
   line-height: 1.45;
@@ -785,6 +795,8 @@ div.warning .first {
 div.warning:before {
     content: "\f071";
     margin-right: .5ex;
+    font-family: FontAwesome;
+    text-rendering: auto;
 }
 
 /************* Code examples *****************/