css: how to double-click the text, input, el-radio-button, etc. appear on the page blue background removal

After the discovery of the double-click on the element-ui el-radio-button, there will be a blue border, the last Internet search, we get the solution:

{.container
   / * Double-click the text, input, etc., appears blue background, how to remove * / 
  -moz-the User-the SELECT: none; / * Firefox * / 
  -webkit the SELECT-the User-: none; / * WebKit browser * / 
  -ms-User-SELECT: none; / * the IE10 * / 
  / * -khtml-User-SELECT: none; early browser * *!! * / 
  User - SELECT: none; 
}

Reference from: https: //blog.csdn.net/var_dz/article/details/78963012