added css for resizing images on mobile phone view

assets/css/styles.css

@@ -36,4 +36,15 @@ fieldset {
 .imgUrl:hover {
     -webkit-transform: scale(1.1);
 	transform: scale(1.1);
+}
+
+/* for mobile */
+@media only screen
+and (min-device-width : 320px)
+and (max-device-width : 480px) {
+    .imgUrl {
+        float: center;
+        height: 120px;
+        padding: 5px;
+    }
 }
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