Fixed some linter problems.

css/flipeffect.css

@@ -1,6 +1,5 @@
 
-.flipWrapper
-{
+.flipWrapper {
     position: absolute;
     top: 0;
     left: 0;
@@ -16,7 +15,8 @@
     width: 100%;
     height: 100%;
 
-     /*** See: https://stackoverflow.com/questions/7439042/css-js-to-prevent-dragging-of-ghost-image ***/
+    /*** See: https://stackoverflow.com/questions/7439042/css-js-to-prevent-dragging-of-ghost-image ***/
+
     /* -webkit-user-drag: none;
     -khtml-user-drag: none;
     -moz-user-drag: none;
@@ -24,21 +24,21 @@
     user-drag: none; */
 }
 
-.flipFace{
+.flipFace {
     box-shadow: 2px 2px 10px #000;
     visibility: hidden;
 }
 
-.front{
+.front {
     width: 100%;
     height: 100%;
-    position:absolute;
-    background-color:#333;
+    position: absolute;
+    background-color: #333;
 }
 
-.back{
-    background-color:#333;
-    position:absolute;
+.back {
+    background-color: #333;
+    position: absolute;
     border: 8px solid white;
 }
 
@@ -48,8 +48,8 @@
     width: 44px;
     height: 44px;
     padding: 4px;
-    right: 0px;
-    top: 0px;
+    right: 0;
+    top: 0;
 }
 
 .infoBtn {
@@ -58,8 +58,8 @@
     width: 44px;
     height: 44px;
     padding: 4px;
-    right: 0px;
-    bottom: 0px;
+    right: 0;
+    bottom: 0;
 }
 
 .backBtn {
@@ -68,6 +68,6 @@
     width: 44px;
     height: 44px;
     padding: 4px;
-    right: 0px;
-    bottom: 0px;
+    right: 0;
+    bottom: 0;
 }