Use UbuntuMono for code

static/css/style.css

@@ -10,6 +10,15 @@ html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abb
 }
 .hidden { display: none; }
 
+/* latin */
+@font-face {
+  font-family: 'Ubuntu Mono';
+  font-style: normal;
+  font-weight: 400;
+  src: local('Ubuntu Mono'), local('UbuntuMono-Regular'), url('../fonts/ubunut-mono.woff') format('woff2');
+  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2212, U+2215;
+}
+
 /* Icons */
 @font-face {
     font-family: 'icons';
@@ -294,22 +303,20 @@ hr {
     background: #eee;
 }
 
-span.code { font-family:Menlo, Monaco, Courier; background-color:#EEE; font-size:14px; }
+span.code {
+    font-family:'Ubuntu Mono', 'Source Code Pro', Menlo, Monaco, Courier;
+    background-color:#EEE;
+}
 
 pre {
-    font-family:Menlo, Monaco, Courier;
+    font-family:'Ubuntu Mono', 'Source Code Pro', Menlo, Monaco, Courier;
     white-space:pre-wrap;
     /*border: 1px solid #ddd;*/
     padding:20px;
     background-color:#fdfdfd;
-    /*font-size:14px;*/
     overflow:auto;
     border-radius: 3px;
     background: #272b2d;
-    font-family: 'Source Code Pro',Menlo,monospace;
-    font-size: 13px;
-    line-height: 1.5em;
-    font-weight: 500;
     color: #d0d4d7;
 
 }
@@ -659,8 +666,7 @@ a.symbol:hover {
 }
 
 code {
-    font-family:Menlo, Monaco, Courier; 
-    background-color:#EEE; font-size:14px; 
+    font-family:'Ubuntu Mono', 'Source Code Pro', Menlo, Monaco, Courier;
+    background-color:#EEE;
     padding: 4px;
-    font-weight: 600;
 }