30秒学会 CSS 片段 – Sibling fade

Fades out the siblings of a hovered item.

• transition: opacity 0.2s specifies that changes to opacity will be transitioned over 0.3 seconds.
• .sibling-fade:hover span:not(:hover) specifies that when the parent is hovered, select any span children that are not currently being hovered and change their opacity to 0.5.

预览

HTML

<div class="sibling-fade">
  <span>Item 1</span> <span>Item 2</span> <span>Item 3</span> <span>Item 4</span>
  <span>Item 5</span> <span>Item 6</span>
</div>

CSS

span {
  padding: 0 1rem;
  transition: opacity 0.3s;
}

.sibling-fade:hover span:not(:hover) {
  opacity: 0.5;
}

翻译自：https://www.30secondsofcode.org/css/s/sibling-fade