/* @import url('http://example.com/example_style.css'); */

/***********************************************/
/* CSS @imports must be at the top of the file */
/* Add them above this section                 */
/***********************************************/

/*****************************************/
/* Start your style declarations here    */
/*****************************************/
<link rel="stylesheet" href="https://kit.fontawesome.com/5a1850291d.css" crossorigin="anonymous">