Fix wiki link button

app/partials/includes/modules/admin/default-values.jade

@@ -36,4 +36,5 @@ section.default-values
                    ng-options="s.id as s.name for s in issueStatusList")
 
         fieldset
-            button.button-green.submit-button(type="submit", title="Save") Save
+            button.button-green.submit-button(type="submit", title="Save")
+                span Save

app/partials/wiki/wiki-nav.jade

@@ -15,5 +15,6 @@ nav
     li.new.hidden
       input(type="text" placeholder="name")
 <% if (addWikiLinkPermission) { %>
-a(href="" title="Add link" class="add-button button button-gray") Add link
-<% } %>
+a(href="" title="Add link" class="add-button button-gray")
+    span Add link
+<% } %>

app/styles/modules/wiki/wiki-nav.scss

@@ -39,7 +39,7 @@
             width: 100%;
         }
     }
-    .button {
+    .add-button {
         color: $white;
         display: block;
         margin-bottom: .5rem;