Adds chrome prefixes for pulsar

src/themes/pulsar/elements/loader.overrides

@@ -2,27 +2,69 @@
          Theme Overrides
 *******************************/
 
-@keyframes loader {
+.ui.loader:after {
+  -webkit-animation: loader-pulsar 2s infinite linear;
+  animation: loader-pulsar 2s infinite linear;
+}
+
+@-webkit-keyframes loader-pulsar {
+  0% {
+    -webkit-transform: rotate(0deg);
+            transform: rotate(0deg);
+    opacity: 0;
+  }
+  20% {
+    -webkit-transform: rotate(360deg);
+            transform: rotate(360deg);
+  }
+  40% {
+    -webkit-transform: rotate(740deg);
+            transform: rotate(740deg);
+    opacity: 1;
+  }
+  60% {
+    -webkit-transform: rotate(1120deg);
+            transform: rotate(1120deg);
+    opacity: 1;
+  }
+  80% {
+    -webkit-transform: rotate(1440deg);
+            transform: rotate(1440deg);
+  }
+  100% {
+    -webkit-transform: rotate(1800deg);
+            transform: rotate(1800deg);
+    opacity: 0;
+  }
+}
+
+@keyframes loader-pulsar {
   0% {
-    transform: rotate(0deg);
+    -webkit-transform: rotate(0deg);
+            transform: rotate(0deg);
     opacity: 0;
   }
   20% {
-    transform: rotate(360deg);
+    -webkit-transform: rotate(360deg);
+            transform: rotate(360deg);
   }
   40% {
-    transform: rotate(740deg);
+    -webkit-transform: rotate(740deg);
+            transform: rotate(740deg);
     opacity: 1;
   }
   60% {
-    transform: rotate(1120deg);
+    -webkit-transform: rotate(1120deg);
+            transform: rotate(1120deg);
     opacity: 1;
   }
   80% {
-    transform: rotate(1440deg);
+    -webkit-transform: rotate(1440deg);
+            transform: rotate(1440deg);
   }
   100% {
-    transform: rotate(1800deg);
+    -webkit-transform: rotate(1800deg);
+            transform: rotate(1800deg);
     opacity: 0;
   }
 }