问题 Imagine that I only have control through CSS . HTML is generated automatically, so I cannot add JS or change the HTML. /*! * Font Awesome Free 5.13.0 by @fontawesome - https://fontawesome.com * License - https://fontawesome.com/license/free (Icons:CC BY 4.0, Fonts:SIL OFL 1.1, Code:MIT License) */ @font-face { font-family: 'my_font_awesome'; font-style: normal; font-weight: 900; font-display: auto; src: url(https://use.fontawesome.com/releases/v5.13.0/webfonts/fa-solid-900.eot); src: url