【问题标题】:CSS animation to make an <h1> element translate 3px higher when I hover over it当我将鼠标悬停在 <h1> 元素上时,CSS 动画使元素平移 3px
【发布时间】:2021-04-28 00:25:38
【问题描述】:

我正在尝试创建一个带有元素的按钮。我试图给这个按钮一个小行为,当我将鼠标悬停在它上面时让它上升 3px。

我尝试将 transform:translateY(-3px); 作为@keyframes 动画(这就是它在 sn-p 中的样子),我也尝试简单地将 transform:translateY(-3px); 就在 header-main:hover 选择器下方。这两种方式似乎都将按钮转换为应有的方式。它似乎改为右下角。

请记住,我对编码非常陌生,因为这是我的第二个月编码,

谢谢!

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/*Tag Selectors*/
body {
  font-family: 'Lato', sans-serif;
  height: 100%;
  width: 100%;
}


header {
  background-position: top;
  background-size: cover;
  position: relative;
  display: inline-block;
  height: 95vh;
  margin: 20px;
  width: 100%;
  background-image: linear-gradient(to bottom right, white, #00000045);
}

/*Class Selectors*/
.header-main {
  border-radius: 500px;
  background-color: black;
  color: white;
  display: inline-block;
  font-weight: 700;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  letter-spacing: 3px;
  padding: 10px 30px;
}

.header-main:hover {
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  animation: jumpUp 0.2s ease-out;
}

@keyframes jumpUp {
50% {
  transform: translateY(-3px);
}
}
<!DOCTYPE html>
<html lang="en" dir="ltr">
  <head>
    <meta charset="utf-8">
    <title>Test for btn</title>
    <link rel="stylesheet" href="css/styles.css">
  </head>
  <body>
    <header>

        <h1 class="header-main">Start free trial</h1>
      
        </header>






  </body>
</html>

【问题讨论】:

    标签: css button hover transform translate


    【解决方案1】:

    translateY 正在重做整个转换(删除 `translateX 和原始 translateY)。相反,使用原始翻译并从 y 中减去 3px:

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    
    /*Tag Selectors*/
    body {
      font-family: 'Lato', sans-serif;
      height: 100%;
      width: 100%;
    }
    
    
    header {
      background-position: top;
      background-size: cover;
      position: relative;
      display: inline-block;
      height: 95vh;
      margin: 20px;
      width: 100%;
      background-image: linear-gradient(to bottom right, white, #00000045);
    }
    
    /*Class Selectors*/
    .header-main {
      border-radius: 500px;
      background-color: black;
      color: white;
      display: inline-block;
      font-weight: 700;
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      letter-spacing: 3px;
      padding: 10px 30px;
    }
    
    .header-main:hover {
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
      cursor: pointer;
      animation: jumpUp 0.2s ease-out;
    }
    
    @keyframes jumpUp {
    50% {
      transform: translate(-50%, calc(-50% - 3px));
    }
    }
    <!DOCTYPE html>
    <html lang="en" dir="ltr">
      <head>
        <meta charset="utf-8">
        <title>Test for btn</title>
        <link rel="stylesheet" href="css/styles.css">
      </head>
      <body>
        <header>
    
            <h1 class="header-main">Start free trial</h1>
          
            </header>
    
    
    
    
    
    
      </body>
    </html>

    所以里面keyframes

    transform: translate(-50%, calc(-50% - 3px));
    

    【讨论】:

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