Use line-height instead of height.

app/assets/stylesheets/pages/commit.scss

@@ -25,9 +25,9 @@
 }
 
 .commit-info-row {
-  height: 36px;
-  padding-top: 6px;
   margin-bottom: 10px;
+  line-height: 24px;
+  padding-top: 6px;
 
   &.commit-info-row-header {
     line-height: 34px;

app/views/projects/commit/_commit_box.html.haml

@@ -9,7 +9,7 @@
       %span.btn.disabled.btn-grouped.hidden-xs
         = icon('comment')
         = @notes_count
-    = link_to namespace_project_tree_path(@project.namespace, @project, @commit), class: "btn btn-grouped hidden-xs hidden-sm" do
+    = link_to namespace_project_tree_path(@project.namespace, @project, @commit), class: "btn btn-default append-right-10 hidden-xs hidden-sm" do
       Browse Files
     .dropdown.inline
       %a.btn.btn-default.dropdown-toggle{ data: { toggle: "dropdown" } }