diff --git a/src/css/styles.css b/src/css/styles.css
index 6141699..342fcc6 100644
--- a/src/css/styles.css
+++ b/src/css/styles.css
@@ -20,6 +20,8 @@ code { font-size: 1.2em; font-weight: bold; }
 
 .expression .label { font-weight:  bold; padding-right: 5px; text-align: right; }
 .expression .bin { letter-spacing: 3px; }
+.expression .flipable { cursor: pointer; opacity: 1 }
+.expression .flipable:hover { opacity: 0.8 }
 .expression .byte { margin: 0 3px; }
 .expression .flipable { cursor: pointer; opacity: 1 }
 .expression .flipable:hover { opacity: 0.8 }
diff --git a/src/js/app.js b/src/js/app.js
index 13b2226..b8d5585 100644
--- a/src/js/app.js
+++ b/src/js/app.js
@@ -18,7 +18,6 @@
         this.initialize();
     };
 
-
     window.app = app;
 
 })(window.core);
\ No newline at end of file