Change retry button color

app/assets/stylesheets/pages/builds.scss

@@ -57,10 +57,14 @@
   min-height: 58px;
   align-items: center;
 
+  .btn-inverted {
+    @include btn-outline($white-light, $blue-normal, $blue-normal, $blue-light, $white-light, $blue-light);
+  }
+
   @media (max-width: $screen-sm-max) {
     padding-right: 40px;
 
-    .btn-primary {
+    .btn-inverted {
       display: none;
     }
   }

app/views/projects/builds/_header.html.haml

@@ -14,6 +14,6 @@
       = render "user"
     = time_ago_with_tooltip(@build.created_at)
   - if can?(current_user, :update_build, @build) && @build.retryable?
-    = link_to "Retry build", retry_namespace_project_build_path(@project.namespace, @project, @build), class: 'btn btn-primary pull-right', method: :post
+    = link_to "Retry build", retry_namespace_project_build_path(@project.namespace, @project, @build), class: 'btn btn-inverted pull-right', method: :post
   %button.btn.btn-default.pull-right.visible-xs-block.visible-sm-block.build-gutter-toggle.js-sidebar-build-toggle{ role: "button", type: "button" }
     = icon('angle-double-left')