Merge pull request jupyter#91 from jupyter/Fix-height

Fix height

Author: minrk

css/logo-nav.css

@@ -637,7 +637,7 @@ a {
   background: #fff;
   border-radius: 2px;
   display: inline-block;
-  height: 100px;
+  height: 130px;
   margin: 1rem;
   position: relative;
   width: 200px;