【示例】
-
HTML
<p><span class="cover"></span>金属质感文字</p>
-
CSS
p { color: white; background: black; font-weight: bold; font-size: 30px; position: relative; } span.cover { width: 100%; height: 100%; position: absolute; background: linear-gradient(to bottom, black 0%, transparent 50%, black); opacity: 0.5; }