css实现发光的滑块取值器代码-html代码-BFW代码库

css实现发光的滑块取值器代码

代码语言：html

所属分类：拖放

代码描述：css实现发光的滑块取值器代码

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 {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 3rem;
  overflow: hidden;
  margin: 0;
  min-height: 100vh;
  box-sizing: border-box;
        background-image: linear-gradient(45deg, #223, #112);
  background:
    radial-gradient(at 100% 0, #fff2, #fff0 50%),
    radial-gradient(at 0% 100%, #0002, #0000 50%),
    #545153;
}

/* 

styles based on this guide: 
 - https://www.smashingmagazine.com/2021/12/create-custom-range-input-consistent-browsers/

design based on these demos: 
  - https://codepen.io/alvaromontoro/pen/yLwPvaG
  - https://codepen.io/jh3y/pen/YzgYPNb

*/
/* this property may not be needed as we update based on --val */
@property --c {
  syntax: '<color>';
  inherits: true;
  initial-value: #0000;
}


.glow {
  --c: rgb(0, 255, 255, calc(0.25 + var(--val) / 125));
  --c: hsl(160deg 80% 50% / calc(0.25 + var(--val) / 125));
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background: transparent;
  cursor: pointer;
  width: 15rem;
  position: relative;
}

.glow::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: calc((var(--val) - 1) * 1%);
  min-width: 0.5em;
  height: 100%;
  background: var(--c);
  box-shadow: 
    0 0 0.2em 0 hsl(0 0% 0%) inset, 
    -0.1em 0.1em 0.1em -0.1em hsl(0 0% 100% / 0.5),
    0 0 calc(1em + 0.001em * var(--val)) calc(0.1em + 0.00025em * var(--val)) var(--c)
    ;
  border-radius: 1em 0 0 1em;
  aopacity: calc(20% + var(--val) * 1%);
}

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