Add RSS hover animation.

assets/css/style.css

@@ -30,6 +30,43 @@
   border-bottom: none;
 }
 
-.rss-link a:hover {
+/* .rss-link a:hover {
   font-weight: bold;
+} */
+@keyframes wobble-vertical {
+  16.65% {
+    transform: translateX(8px);
+  }
+
+  33.3% {
+    transform: translateX(-6px);
+  }
+
+  49.95% {
+    transform: translateX(4px);
+  }
+
+  66.6% {
+    transform: translateX(-2px);
+  }
+
+  83.25% {
+    transform: translateX(1px);
+  }
+
+  100% {
+      transform: translateX(0);
+  }
+}
+
+.rss-link a:hover {
+  animation-name: wobble-vertical;
+  animation-duration: 2s;
+  animation-timing-function: ease-in-out;
+  animation-iteration-count: 1;
+}
+
+.rss-link a:hover > i {
+  -webkit-transform: scaleY(-1);
+  transform: scaleY(-1);
 }