add CSS to make spin icon

css/glowingbear.css

@@ -638,6 +638,31 @@ img.emojione {
     width: auto;
 }
 
+.glyphicon-spin {
+  -webkit-animation: spin 1000ms infinite linear;
+  animation: spin 1000ms infinite linear;
+}
+@-webkit-keyframes spin {
+  0% {
+    -webkit-transform: rotate(0deg);
+    transform: rotate(0deg);
+  }
+  100% {
+    -webkit-transform: rotate(359deg);
+    transform: rotate(359deg);
+  }
+}
+@keyframes spin {
+  0% {
+    -webkit-transform: rotate(0deg);
+    transform: rotate(0deg);
+  }
+  100% {
+    -webkit-transform: rotate(359deg);
+    transform: rotate(359deg);
+  }
+}
+
 @media (min-width: 1400px) {
     #sidebar[data-state=visible], #sidebar {
         width: 200px;