30秒学会 CSS 片段 – Image text overlay

Displays a text on top of an image using an overlay.

• Use backdrop-filter to apply a blur(14px) and brightness(80%) effect. This makes text readable regardless of background image and color.

预览

HTML

<div>
  <h3 class="text-overlay">Hello, World</h3>
  <img src="https://picsum.photos/id/1050/1200/800">
</div>

CSS

div {
  position: relative;
}

.text-overlay {
  position: absolute;
  top: 0;
  left: 0;
  padding: 1rem;
  font-size: 2rem;
  font-weight: 300;
  color: white;
  backdrop-filter: blur(14px) brightness(80%);
}

翻译自：https://www.30secondsofcode.org/css/s/text-backdrop-overlay