css实现input输入框占位符聚焦上移效果代码-html代码-BFW代码库

css实现input输入框占位符聚焦上移效果代码

代码语言：html

代码描述：css实现input输入框占位符聚焦上移效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开


<!DOCTYPE html>
<html lang="en" >

<head>

  <meta charset="UTF-8">
  

  
<style>
body {
  background-color: #f5f5f5;
}

.form-wrapper {
  max-width: 30%;
  min-width: 300px;
  padding: 50px 30px 50px 30px;
  margin: 50px auto;
  background-color: #ffffff;
  border-radius: 5px;
  box-shadow: 0 15px 35px rgba(50, 50, 93, 0.1), 0 5px 15px rgba(0, 0, 0, 0.07);
}

.form-group {
  position: relative;
}
.form-group + .form-group {
  margin-top: 30px;
}

.form-label {
  position: absolute;
  left: 0;
  top: 10px;
  color: #999;
  background-color: #fff;
  z-index: 10;
  transition: transform 150ms ease-out, font-size 150ms ease-out;
}

.focused .form-label {
  transform: translateY(-125%);
  font-size: 0.75em;
}

.form-input {
  position: relative;
  padding: 12px 0px 5px 0;
  width: 100%;
  outline: 0;
  border: 0;
  box-shadow: 0 1px 0 0 #e5e5e5;
  transition: box-shadow 150ms ease-out;
}
.form-input:focus {
  box-shadow: 0 2px 0 0 blue;
}

.form-input.filled {
  box-shadow: 0 2px 0 0 lightgreen;
}
</style>

  


</head>

<body>
  <div class="form-wrapper">

  <form action="" class="form">
    <div class="form-group">
      <label class="form-label" for.........完整代码请登录后点击上方下载按钮下载查看