使用纯CSS给网站文章中的外链添加小图标

.article-content p a:after {
  content: "\e989";
}

@font-face {font-family: "iconfont";
  src: url('iconfont.eot?t=1111'); /* IE9 */
  src: url('iconfont.eot?t=1111#iefix') format('embedded-opentype'), /* IE6-IE8 */
  url('data:application/x-font-woff2;') format('woff2'),
  url('iconfont.woff?t=1111') format('woff'),
  url('iconfont.ttf?t=11111') format('truetype'), /* chrome, firefox, opera, Safari, Android, iOS 4.2+ */
  url('iconfont.svg?t=1111#iconfont') format('svg'); /* iOS 4.1- */
}

.iconfont {
  font-family: "iconfont" !important;
  font-size: 16px;
  font-style: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.icon-open_in_new:before {
  content: "\e989";
}

.article-content p a {
  font-family: 'iconfont';
}

.article-content p a:after {
  content: "\e989";
}

.article-content p a[target=_blank] {
  font-family: 'iconfont';
}

.article-content p a[target=_blank]:after {
  content: "\e989";
}