update some component styles

src/core/styles/components/editor/_autocomplete.scss

@@ -9,6 +9,7 @@
     box-shadow: var(--elevation-low);
     border-radius: 4px;
     line-height: 30px !important;
+    margin-top: 20px;
     > .tree {
       background: none !important;
       border: none !important;

src/core/styles/components/editor/_core.scss

@@ -77,7 +77,7 @@
   .margin {
     padding: 20px 0 0;
     background: var(--background-message-hover) !important;
-    border-right: 1px solid var(--background-secondary-alt);
+    opacity: .5;
   }
   &-background,
   .inputarea.ime-input {

src/core/styles/components/settings/_checkbox-item.scss

@@ -0,0 +1,3 @@
+.vz-settings-checkbox-item {
+  margin: 10px 0;
+}

src/core/styles/components/settings/_index.scss

@@ -2,3 +2,4 @@
 @forward 'category';
 @forward 'button-item';
 @forward 'switch-item';
+@forward 'checkbox-item';