fix some visual issues in filters

src/less/style.less

@@ -508,7 +508,10 @@
             margin: 14.5px 0;
         }
         input[type=range]:focus {
-            outline: none;
+            outline: 0;
+        }
+        input[type=range]::-moz-focus-outer {
+            border: 0;
         }
         input[type=range]::-webkit-slider-runnable-track {
             width: 100%;
@@ -635,11 +638,6 @@
                 outline: none;
             }
 
-            input {
-                background: green;
-                transform: scale(1.3);
-            }
-
             input:hover {
                 cursor: pointer;
             }