高度宽度自定义百分比效果-html代码-BFW代码库

高度宽度自定义百分比效果

代码语言：html

代码描述：高度宽度自定义百分比效果

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>

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

body {
  width: 100vw;
  min-height: 100vh;
  margin: 0;
  background-color: #291642;

  font-size: 100%;
  letter-spacing: 0.1rem;
  color: #fff;
  display: -webkit-box;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
          flex-direction: column;
  -webkit-box-align: center;
          align-items: center;
  -webkit-box-pack: center;
          justify-content: center;
  background-blend-mode: hue;
}

.container {
  width: 500px;
  height: 200px;
  display: -webkit-box;
  display: flex;
  position: relative;
  margin-top: auto;
  box-shadow: 0 0 2px 0 #f36;
}

.container::before {
  content: "width: 500px";
  position: absolute;
  bottom: 100%;
  left: 50%;
  -webkit-transform: translate(-50%, 0);
          transform: translate(-50%, 0);
}

.container::after {
  content: "height: 200px";
  position: absolute;
  left: 100%;
  top: 50%;
  white-space: nowrap;
  -webkit-transform: translate(-40%, -50%) rotate(90deg);
          transform: translate(-40%, -50%) rotate(90deg);
}

.actions {
  padding: 3vh;
  display: -webkit-box;
  display: flex;
  -webkit-box-pack: center;
          justify-content: center;
  -webkit-box-align: center;
          align-items: center;
  background-color: rgba(0, 0, 0, 0.5);
  width: 100%;
  font-size: 2rem;
  margin-top: auto;
}

label:nth-of-type(2) {
  margin-left: 20px;
}

:root {
  --width: 50%;
  --height: 50%;
}

.element {
  width: var(--width);
  height: var(--height);
  background-color: #09f;
}

strong {
  color: #f89;
}
</style>

</head>
<body translate="no">
<div class="container">
<div class="element"></div>
</div>
<div class="actions">
<label for="width".........完整代码请登录后点击上方下载按钮下载查看