Fix styles

app/assets/stylesheets/sections/commits.scss

@@ -47,12 +47,15 @@
       padding-left: 32px;
     }
-    .author,
-    .committer {
+    .author a,
+    .committer a {
       font-size:14px;
       line-height:22px;
       text-shadow:0 1px 1px #fff;
       color:#777;
+      &:hover {
+        color: #999;
+      }
     }
     .avatar {
@@ -227,6 +230,9 @@
   .commit-author-name {
     color: #777;
+    &:hover {
+      color: #999;
+    }
   }
 }

app/assets/stylesheets/sections/tree.scss

@@ -72,6 +72,15 @@
       }
     }
   }
+
+  .blame {
+    img.avatar {
+      border: 0 none;
+      float: none;
+      margin: 0;
+      padding: 0;
+    }
+  }
 }
 .tree-btn-group {