Merge branch 'issue-25' of krzysiej/paper-pi into master

public/css/app.css

@@ -37,7 +37,7 @@ form {
     margin: 2px;
 }
 
-.icon:hover {
+.icons .icon:hover {
     background-color: #1e90ff4d;
 }
 

public/js/printer.js

@@ -21,7 +21,7 @@ var Printer = function () {
             this.delete.addEventListener('click', this.confirmDelete);
         }
 
-        document.querySelectorAll('.icon').forEach(function (e) {
+        document.querySelectorAll('.icons .icon').forEach(function (e) {
             e.addEventListener('click', function () {
                 selfPrinter.selectIcon(this.title);
             });