minor style tweaks

customize.dist/main.css

@@ -360,15 +360,12 @@ form.realtime table thead tr th .edit:after {
 form.realtime table thead tr th .edit.editable {
   display: none;
 }
-form.realtime table tfoot tr td {
-  z-index: 4000;
-  cursor: pointer;
-}
 form.realtime #adduser,
 form.realtime #addoption {
   color: #46E981;
   border: 1px solid #46E981;
   padding: 15px;
+  cursor: pointer;
 }
 form.realtime #adduser {
   border-top-left-radius: 5px;

customize.dist/src/cryptpad.less

@@ -454,8 +454,6 @@ form.realtime {
         tfoot {
             tr {
                 td {
-                    z-index: 4000;
-                    cursor: pointer;
                 }
             }
         }
@@ -466,6 +464,7 @@ form.realtime {
         color: @cp-green;
         border: 1px solid @cp-green;
         padding: 15px;
+        cursor: pointer;
     }
 
     #adduser { .top-left; }