优化后台样式

public/static/theme/css/_display.less

@@ -388,20 +388,27 @@ fieldset {
   }
 }
 
-.layui-form-switch em {
-  white-space: nowrap;
+.layui-form-radio {
+  margin-top: 0;
 }
 
-.layui-form-onswitch em {
-  margin-left: 0;
-}
+.layui-form-switch {
+  padding: 0 8px 0 5px;
 
-.layui-form-radio {
-  margin-top: 0;
+  em {
+    white-space: nowrap;
+    vertical-align: middle;
+  }
 }
 
-.layui-form-checkbox.layui-form-checked {
-  i {
-    border-color: #5FB878;
+.layui-form-onswitch {
+  padding: 0 5px 0 8px;
+
+  em {
+    margin-left: 0;
   }
+}
+
+.layui-form-checkbox.layui-form-checked i {
+  border-color: #5FB878;
 }