ENH: Collection List (#20)

app/styles/app.css

@@ -72,3 +72,45 @@
   background-color: #428bca;
 }
 
+/* Spinkit http://tobiasahlin.com/spinkit/ */
+.spinner {
+  margin: 100px auto 0;
+  width: 70px;
+  text-align: center;
+}
+
+.spinner > div {
+  width: 18px;
+  height: 18px;
+  background-color: #333;
+
+  border-radius: 100%;
+  display: inline-block;
+  -webkit-animation: sk-bouncedelay 1.4s infinite ease-in-out both;
+  animation: sk-bouncedelay 1.4s infinite ease-in-out both;
+}
+
+.spinner .bounce1 {
+  -webkit-animation-delay: -0.32s;
+  animation-delay: -0.32s;
+}
+
+.spinner .bounce2 {
+  -webkit-animation-delay: -0.16s;
+  animation-delay: -0.16s;
+}
+
+@-webkit-keyframes sk-bouncedelay {
+  0%, 80%, 100% { -webkit-transform: scale(0) }
+  40% { -webkit-transform: scale(1.0) }
+}
+
+@keyframes sk-bouncedelay {
+  0%, 80%, 100% {
+    -webkit-transform: scale(0);
+    transform: scale(0);
+  } 40% {
+    -webkit-transform: scale(1.0);
+    transform: scale(1.0);
+  }
+}