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ioprst
Asked:2021-10-13 13:50:36 +0000 UTC2021-10-13 13:50:36 +0000 UTC

如何隐藏父元素之外的伪元素？

  • 772

有必要实现“斜角”按钮的填充。为此，我使用before，这是一个旋转一定角度的矩形，当您将鼠标悬停在按钮上时，其大小会增加。

.auth {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.button {
  position: relative;
  display: inline-block;
  vertical-align: top;
  padding: 20px 45px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  text-transform: uppercase;
  text-align: center;
  color: #191919;
  /* background-color: #fff; */
  background-color: transparent;
  border: 1px solid #191919;
  border-radius: 5px;
  cursor: pointer;
  outline: 0;
  transition: background-color 0.2s linear, color 0.2s linear;
}

.button:hover {
  color: #fff;
  /* background-color: #191919; */
}

.button::before {
  position: absolute;
  left: -50%;
  top: -100%;
  transform: rotate(-10deg);
  z-index: -1;
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
  content: '';
  background-color: red;
  transition: width 0.2s linear, height 0.2s linear;
}

.button:hover::before {
  width: 160%;
  height: 250%;
}
<div class="auth">
  <button class="button" type="submit">Войти</button>
</div>

如何使矩形不出现在按钮之外？

html

2 个回答

  1. Best Answer

    问家长overflow: hidden

    .auth {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.button {
  position: relative;
  display: inline-block;
  vertical-align: top;
  padding: 20px 45px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  text-transform: uppercase;
  text-align: center;
  color: #191919;
  /* background-color: #fff; */
  background-color: transparent;
  border: 1px solid #191919;
  border-radius: 5px;
  cursor: pointer;
  outline: 0;
  transition: background-color 0.2s linear, color 0.2s linear;
  overflow: hidden
}

.button:hover {
  color: #fff;
  /* background-color: #191919; */
}

.button::before {
  position: absolute;
  left: -50%;
  top: -100%;
  transform: rotate(-10deg);
  z-index: -1;
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
  content: '';
  background-color: red;
  transition: width 0.2s linear, height 0.2s linear;
}

.button:hover::before {
  width: 160%;
  height: 250%;
}
    <div class="auth">
  <button class="button" type="submit">Войти</button>
</div>

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