stripe colors for successive alert-warning blocks

app/assets/stylesheets/framework/layout.scss

@@ -38,6 +38,33 @@ body {
   .alert {
     margin-bottom: 0;
   }
+
+  /* Stripe the background colors so that adjacent alert-warnings are distinct from one another */
+  .alert-warning {
+    transition: background-color 0.15s, border-color 0.15s;
+    background-color: lighten($gl-warning, 4%);
+    border-color: lighten($gl-warning, 4%);
+  }
+
+  .alert-warning + .alert-warning {
+    background-color: $gl-warning;
+    border-color: $gl-warning;
+  }
+
+  .alert-warning + .alert-warning + .alert-warning {
+    background-color: darken($gl-warning, 4%);
+    border-color: darken($gl-warning, 4%);
+  }
+
+  .alert-warning + .alert-warning + .alert-warning + .alert-warning {
+    background-color: darken($gl-warning, 8%);
+    border-color: darken($gl-warning, 8%);
+  }
+
+  .alert-warning:only-of-type {
+    background-color: $gl-warning;
+    border-color: $gl-warning;
+  }
 }
 
 

app/assets/stylesheets/framework/variables.scss

@@ -474,7 +474,6 @@ $project-option-descr-color: #54565b;
 $project-breadcrumb-color: #999;
 $project-private-forks-notice-odd: #2aa056;
 $project-network-controls-color: #888;
-$project-limit-message-bg: #f28d35;
 
 /*
 * Runners

app/assets/stylesheets/pages/projects.scss

@@ -6,12 +6,6 @@
   }
 }
 
-.no-ssh-key-message,
-.project-limit-message {
-  background-color: $project-limit-message-bg;
-  margin-bottom: 0;
-}
-
 .new_project,
 .edit-project {