diff --git a/docs/assets/css/docs.css b/docs/assets/css/docs.css
index b91910d935..0abef7a9e3 100644
--- a/docs/assets/css/docs.css
+++ b/docs/assets/css/docs.css
@@ -132,6 +132,11 @@ hr.soften {
 }
 
 /* Download button */
+@-webkit-keyframes downloadButton {
+  from { -webkit-box-shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 1px 5px rgba(0,0,0,.25), 0 2px 10px rgba(0,68,204,.1); }
+  50% { -webkit-box-shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 1px 5px rgba(0,0,0,.25), 0 2px 20px rgba(0,68,204,.75); }
+  to { -webkit-box-shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 1px 5px rgba(0,0,0,.25), 0 2px 10px rgba(0,68,204,.1); }
+}
 .masthead .btn {
   padding: 14px 24px;
   font-size: 24px;
@@ -141,9 +146,12 @@ hr.soften {
   -webkit-border-radius: 6px;
      -moz-border-radius: 6px;
           border-radius: 6px;
-  -webkit-box-shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 1px 5px rgba(0,0,0,.25);
-     -moz-box-shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 1px 5px rgba(0,0,0,.25);
-          box-shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 1px 5px rgba(0,0,0,.25);
+  -webkit-box-shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 1px 5px rgba(0,0,0,.25), 0 2px 10px rgba(0,68,204,.01);
+     -moz-box-shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 1px 5px rgba(0,0,0,.25), 0 2px 10px rgba(0,68,204,.01);
+          box-shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 1px 5px rgba(0,0,0,.25), 0 2px 10px rgba(0,68,204,.01);
+  -webkit-animation-name: downloadButton;
+  -webkit-animation-duration: 2s;
+  -webkit-animation-iteration-count: infinite;
 }
 .masthead .btn:active {
   -webkit-box-shadow: inset 0 2px 4px rgba(0,0,0,.1), 0 1px 0 rgba(255,255,255,.1);