Useful CSS Snippets

CSS

看了 30 Seconds CSS，有了许多收获，所以写下了这篇文章，算是收藏一些代码小片段，留作后用。

一、手写 Loading 动画

（1）弹性加载动画

CSS 代码如下：

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.bounce-loading {
  width: 20rem;
  height: 10rem;
  background-color:aqua;
  display: flex;
  justify-content: center;
  align-items: center;
}
.bounce-loading > div {
  width: 1rem;
  height: 1rem;
  border-radius: 0.5rem;
  background-color:blueviolet;
  margin: 0 0.5rem;
  animation: bounce 1s infinite alternate;
}
@keyframes bounce {
  0% {
    transform: translateY(0);
    opacity: 1;
  }
  100% {
    transform: translateY(2rem);
    opacity: 0.1;
  }
}
.bounce-loading > div:nth-child(2) {
  animation-delay: 0.2s;
}
.bounce-loading > div:nth-child(3) {
  animation-delay: 0.4s;
}

HTML 代码如下：

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<div class="bounce-loading">
  <div></div>
  <div></div>
  <div></div>
</div>

效果如下：

img

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