input输入placeholder上移表单美化代码-html代码-BFW代码库

input输入placeholder上移表单美化代码

代码语言：html

代码描述：input输入placeholder上移表单美化代码

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 {
  align-items: center;
  background-color: #000;
  display: flex;
  justify-content: center;
  height: 100vh;
}

.form {
  background-color: #15172b;
  border-radius: 20px;
  box-sizing: border-box;
  height: 500px;
  padding: 20px;
  width: 320px;
}

.title {
  color: #eee;
  font-family: sans-serif;
  font-size: 36px;
  font-weight: 600;
  margin-top: 30px;
}

.subtitle {
  color: #eee;
  font-family: sans-serif;
  font-size: 16px;
  font-weight: 600;
  margin-top: 10px;
}

.input-container {
  height: 50px;
  position: relative;
  width: 100%;
}

.ic1 {
  margin-top: 40px;
}

.ic2 {
  margin-top: 30px;
}

.input {
  background-color: #303245;
  border-radius: 12px;
  border: 0;
  box-sizing: border-box;
  color: #eee;
  font-size: 18px;
  height: 100%;
  outline: 0;
  padding: 4px 20px 0;
  width: 100%;
}

.cut {
  background-color: #15172b;
  border-radius: 10px;
  height: 20px;
  left: 20px;
  position: absolute;
  top: -20px;
  transform: translateY(0);
  transition: transform 200ms;
  width: 76px;
}

.cut-short {
  width: 50px;
}

.input:focus ~ .cut,
.input:not(:placeholder-shown) ~ .cut {
  transform: translateY(8px);
}

.placeholder {
  color: #65657b;
  font-family: sans-serif;
  left: 20px;
  line-height: 14px;
  pointer-events: none;
  position: absolute;
  transform-origin: 0 50%;
  transition: transform 200ms, color 200ms;
  top: 20px;
}

.input:focus ~ .placeholder,
.input:not(:placeholder-shown) ~ .placeholder {
  transform: translateY(-30px) translateX(10px) scale(0.75);
}

.input:not(:placeholder-shown) ~ .placeholder {
  color: #808097;
}

.input.........完整代码请登录后点击上方下载按钮下载查看