fix keymap field

src/settings/components/form/keymaps-form.jsx

@@ -62,10 +62,10 @@ class KeymapsForm extends Component {
     if (!values) {
       values = {};
     }
-    return <div className='keymap-fields'>
+    return <div className='form-keymaps-form'>
       {
         KeyMapFields.map((group, index) => {
-          return <div key={index} className='form-keymaps-form'>
+          return <div key={index} className='form-keymaps-form-field-group'>
             {
               group.map((field) => {
                 let name = field[0];

src/settings/components/form/keymaps-form.scss

@@ -1,9 +1,11 @@
 .form-keymaps-form {
   column-count: 3;
-  .keymap-fields-group {
+
+  &-field-group {
     margin-top: 24px;
   }
-  .keymap-fields-group:first-of-type {
-    margin-top: 0;
+
+  &-field-group:first-of-type {
+    margin-top: 24px;
   }
 }