simplify css

_includes/css-imports.html

@@ -69,13 +69,11 @@
 .btn {
     display: inline-block;
     margin-bottom: 0;
-    //font-weight: normal;
     text-align: center;
     vertical-align: middle;
     touch-action: manipulation;
-    //cursor: pointer;
     background-image: none;
-    border: 1px solid transparent;
+
     white-space: nowrap;
     padding: 6px 12px;
     font-size: 14px;