js+css实现多主题切换效果代码-html代码-BFW代码库

代码语言：html

所属分类：其他

代码描述：js+css实现多主题切换效果代码，从亮色到暗色。

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">
  


<link href="https://fonts.googleapis.com/css2?family=Figtree:wght@400;700&display=swap" rel="stylesheet">
<meta name="viewport" content="width=device-width, initial-scale=1">
  
  
  
<style>
@charset "UTF-8";
:root {
  --dark-bg: #101214;
  --dark-border: #22272B;
  --dark-surface: #161A1D;
  --dark-text-primary: #DEE4EA;
  --dark-text-secondary: #738496;
  --dark-primary: #1D7AFC;
  --dark-text-inverse: #FFFFFF;
  --sunset-bg: #151c19;
  --sunset-border: #424f4a;
  --sunset-surface: #2f3834;
  --sunset-text-primary: #ecd2c5;
  --sunset-text-secondary: #C0AB92;
  --sunset-primary: #C0AB92;
  --sunset-text-inverse: #151c19;
  --sunrise-bg: #ecd2c5;
  --sunrise-border: #d7c9c6;
  --sunrise-surface: #f3e8e5;
  --sunrise-text-primary: #4f2733;
  --sunrise-text-secondary: #685844;
  --sunrise-primary: #a04d66;
  --sunrise-text-inverse: #f3e8e5;
  --light-bg: #F7F8F9;
  --light-border: #F1F2F4;
  --light-surface: #FFFFFF;
  --light-text-primary: #091E42;
  --light-text-secondary: #626F86;
  --light-primary: #1D7AFC;
  --light-text-inverse: #FFFFFF;
  --bg: var(--dark-bg);
  --border: var(--dark-border);
  --surface: var(--dark-surface);
  --text-primary: var(--dark-text-primary);
  --text-secondary: var(--dark-text-secondary);
  --primary: var(--dark-primary);
  --text-inverse: var(--dark-text-inverse);
}

*, *:before, *:after {
  box-sizing: border-box;
}

html {
  box-sizing: inherit;
  font-size: 62.5%;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
}

body {
  font-size: 1.6rem;
  font-family: "Figtree", system-ui, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem;
  background: var(--bg);
  color: var(--text-secondary);
}

.c-card {
  width: 100%;
  max-width: 650px;
  border: 1px solid var(--border);
  border-radius: 1.6rem;
  padding: 3.2rem;
  background: var(--surface);
  position: relative;
  box-shadow: 0.3px 0.5px 0.7px rgba(0, 0, 0, 0.08), 0.8px 1.6px 2px -0.8px rgba(0, 0, 0, 0.08), 2.1px 4.1px 5.2px -1.7px rgba(0, 0, 0, 0.08), 5px 10px 12.6px -2.5px rgba(0, 0, 0, 0.08);
}
.c-card__title {
  margin: 0 0 0.8rem;
  padding: 0;
  line-height: 1.2;
  font-size: 4rem;
  color: var(--text-primary);
}
.c-card__description {
  margin: 0;
  padding: 0;
  line-height: 150%;
  font-size: 2rem;
  color: var(--text-secondary);
}

.c-button {
  display: inline-flex;
  padding: 1.2rem 2rem;
  background: var(--primary);
  border-radius: 0.8rem;
  line-height: 1;
  cursor: pointer;
  color: var(--text-inverse);
  font-weight: 700;
  user-select: none;
  position: relative;
  transition: all 120ms ease-out;
}
.c-button:hover, .c-button:focus {
  outline: none;
  transform: scale(1.03);
}

.c-theme {
  position: absolute;
  top: 2.4rem;
  right: 2.4rem;
  width: 4rem;
  height: 4rem;
  cursor: pointer;
  display: inline-block;
  overflow: hidden;
  padding: 0;
  margin: 0;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid transparent;
  border-radius: 0.8rem;
  padding: 0.4rem;
  transition: all 120ms ease-out;
}
.c-theme:hover, .c-theme:focus {
  border-color: var(--border);
}
.c-theme:after, .c-theme:before {
  content: "";
  position: absolute;
  z-index: 10;
}
.c-theme:after {
  top: 0;
  left: 0;
  right: 0;
  height: 0.8rem;
  background: linear-gradient(to bottom, var(--surface), transparent);
}
.c-theme:before {
  bottom: 0;
  left: 0;
  right: 0;
  height: 0.8rem;
  background: linear-gradient(to top, var(--surface), transparent);
}
.c-theme:focus {
  outline: none;
}
.c-theme__grid {
  position: relative;
  width: 3.2rem;
  transition: all 240ms ease-out;
}
.c-theme svg {
  width: 3.2rem;
  height: 3.2rem;
}
.c-theme svg:focus {
  outline: none;
}

.c-box {
  display: flex;
  width: 100%;
  flex-direction: column;
  background: var(--bg);
  color: var(--text-secondary);
  position: relative;
  padding: 1.6rem;
  border-radius: 1.2rem;
  border: 1px solid var(--border);
  user-select: none;
  cursor: pointer;
  transition: all 120ms ease-out;
}
.c-box:hover, .c-box:focus {
  transform: scale(1.03);
}
.c-box__title {
  display: flex;
  align-items: center;
  width: 100%;
}
.c-box__icon {
  width: 1.6rem;
  height: 1.6rem;
  margin-right: 0.4rem;
}
.c-box__swatches {
  display: flex;
  flex-wrap: wrap;
  margin-top: 0.8rem;
}
.c-box--active {
  outline: 4px solid var(--primary);
}
.c-box--active:after {
  content: "✓";
  position: absolute;
  top: -1.2rem;
  right: -1.2rem;
  height: 2.4rem;
  width: 2.4rem;
  background: var(--primary);
  border-radius: 999px;
  color: var(--text-inverse);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.c-swatch {
  width: 2rem;
  height: 2rem;
  display: inline-block;
  border-radius: 999px;
  border: 1px solid var(--border);
  margin-right: -0.8rem;
  box-shadow: 0px 1px 1px rgba(0, 0, 0, 0.12), 0px 0px 0px 1px rgba(0, 0, 0, 0.08);
}

.c-theme-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-gap: 1.6rem;
  margin: 3.2rem 0;
}
@media (max-width: 700px) {
  .c-theme-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
</style>

  
</head>

<body >
  <div class="c-card">
  <button class="c-theme" id="themePicker"></button>
  <h1 class="c-card__title">Variable Themes</h1>
  <p class="c-card__description">Cycle through 4 themes, from darkest to lightest.</p>
  <div class="c-theme-grid" id="themeGrid"></div><a class="c-button" id="button">Cycle Theme</a>
</div>

      <script >
console.clear();

const themes = ['dark', 'sunset', 'sunrise', 'light'];
let count = 0;
const themePicker = document.getElementById('themePicker');
const themeList = document.getElementById('themeGrid');

.........完整代码请登录后点击上方下载按钮下载查看