css实现5种手机底部菜单选项卡导航条效果代码-html代码-BFW代码库

代码语言：html
代码描述：css实现5种手机底部菜单选项卡导航条效果代码
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>
        @import url("https://fonts.googleapis.com/css2?family=Roboto&display=swap");
        @import url("https://fonts.googleapis.com/icon?family=Material+Icons+Outlined");
        /** 
        @chrisbautista @codespud
        animated tabs using css transitions only.
        I wanted to test how much we can accomplish with just CSS transitions. 
        **/
        :root {
          --accent-color: #1fa8f5;
          --accent-color-fg: #fefefe;
          --backdrop-color: #89d4fe;
          --app-content-background-color: #c0d8ec;
          --inset-shadow: rgba(7, 43, 74, 0.3);
          --outset-shadow: rgba(223, 240, 255, 0.25);
          --clay-box-shadow: rgba(7, 43, 74, 0.3);
          --clay-background-color: #c0d8ec;
          --clay-fg-color: #444;
        }
        
        body {
          background-color: var(--backdrop-color);
          font-size: 10px;
          font-family: "Roboto", sans-serif;
        }
        
        .flex-center {
          display: flex;
          justify-content: space-around;
          align-items: center;
        }
        
        .container {
          padding: 1rem 1rem 1.5rem;
        }
        
        .stage {
          max-width: 400px;
          margin: 0 auto;
        }
        
        .home.active {
          color: var(--accent-color);
        }
        .home-style {
          --app-content-background-color: #c0d8ec;
        }
        
        .products.active {
          --outset-shadow: rgba(247, 167, 103, 0.45);
          --inset-shadow: rgba(149, 62, 8, 0.45);
          --clay-box-shadow: rgba(211, 69, 20, 0.4);
          --clay-background-color: #d34514;
          --clay-fg-color: #f1f2f3;
          color: #690c0c;
        }
        .products-style {
          --app-content-background-color: #d36e5a;
        }
        
        .services.active {
          --outset-shadow: rgba(255, 159, 40, 0.45);
          --inset-shadow: rgba(88, 54, 13, 0.45);
          --clay-box-shadow: rgba(88, 54, 13, 0.4);
          --clay-background-color: #ed9426;
          --clay-fg-color: #f1f2f3;
          color: #cf5c0f;
        }
        .services-style {
          --app-content-background-color: #ed9426;
        }
        
        .about.active {
          --outset-shadow: rgba(93, 255, 85, 0.45);
          --inset-shadow: rgba(28, 78, 26, 0.45);
          --clay-box-shadow: rgba(28, 78, 26, 0.4);
          --clay-background-color: #4dd146;
          --clay-fg-color: #f1f2f3;
          color: #4dd146;
        }
        .about-style {
          --app-content-background-color: #4dd146;
        }
        
        .help.active {
          --outset-shadow: rgba(230, 230, 230, 0.45);
          --inset-shadow: rgba(81, 81, 81, 0.45);
          --clay-box-shadow: rgba(81, 81, 81, 0.4);
          --clay-background-color: #a3a3a3;
          --clay-fg-color: #f1f2f3;
          color: #783896;
        }
        .help-style {
          --app-content-background-color: #a3a3a3;
        }
        
        .tabbar {
          background-color: var(--app-content-background-color);
          border-bottom-left-radius: 1rem;
          border-bottom-right-radius: 1rem;
          box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
          height: 120px;
          display: flex;
          flex-direction: column;
          box-sizing: content-box;
          position: relative;
          overflow: hidden;
          transition: background-color 0.4s;
        }
        .tabbar ul,
        .tabbar li {
          list-style-type: none;
          margin: 0;
          padding: 0;
        }
        .tabbar ul {
          position: absolute;
          bottom: 0;
          width: 100%;
          background-color: #f9f8fa;
          align-self: flex-end;
          justify-content: center;
          height: 50px;
        }
        .tabbar li {
          display: flex;
          justify-content: center;
          align-items: center;
          font-size: 1rem;
          margin-right: 5px;
          transition: all 0.4s;
          background-color: #f9f8fa;
          width: 60px;
          height: 60px;
          position: relative;
          color: #888;
        }
        .tabbar li:last-child {
          margin-right: 0;
        }
        
        .tab-style1 ul {
          justify-content: center;
        }
        .tab-style1 li {
          display: flex;
          justify-content: center;
          align-items: center;
          top: 1px;
          left: 0;
          width: 60px;
          height: 50px;
          transition: top 0.2s ease-out, width 0.4s, border-radius 0.4s, box-shadow 0.4s;
        }
        .tab-style1 li.follow {
          position: absolute;
          border-radius: 100%;
          content: " ";
          width: 60px;
          height: 60px;
          border: 10px solid var(--app-content-background-color);
          background-color: var(--app-content-background-color);
          top: -3rem;
          transition: left 0.4s ease-in, background-color 0.4s, border-color 0.4s;
        }
        .tab-style1 li.follow:before, .tab-style1 li.follow:after {
          content: " ";
          position: absolute;
          top: 27px;
          right: -27px;
          border-top: 11px solid var(--app-content-background-color);
          background-color: #f9f8fa;
          width: 20px;
          height: 20px;
          box-sizing: border-box;
          transition: border-color 0.4s;
        }
        .tab-style1 li.follow::after {
          border-top-left-radius: 100%;
        }
        .tab-style1 li.follow:before {
          left: -27px;
          right: unset;
          border-top-right-radius: 100%;
        }
        .tab-style1 li:nth-child(1).active ~ .follow {
          left: 12px;
        }
        .tab-style1 li:nth-child(2).active ~ .follow {
          left: 75px;
        }
        .tab-style1 li:nth-child(3).active ~ .follow {
          left: 140px;
        }
        .tab-style1 li:nth-child(4).active ~ .follow {
          left: 205px;
        }
        .tab-style1 li:nth-child(5).active ~ .follow {
          left: 270px;
        }
        .tab-style1 .active {
          z-index: 100;
          width: 60px;
          height: 60px;
          top: -2rem;
          border-radius: 100%;
          box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 8px 16px 0 rgba(0, 0, 0, 0.2);
        }
        
        .tab-style2 ul {
          justify-content: center;
        }
        .tab-style2 li {
          border-top-left-radius: 100%;
          border-top-right-radius: 100%;
          display: flex;
          justify-content: center;
          align-items: center;
          top: 1px;
          left: 0;
          width: 60px;
          height: 50px;
        }
        .tab-style2 .active {
          width: 60px;
          height: 60px;
          top: -1rem;
        }
        .tab-style2 .active span {
          font-size: 2rem;
        }
        .tab-style2 .active:before, .tab-style2 .active:after {
          position: absolute;
          content: " ";
          width: 13px;
          height: 13px;
          border-bottom: 4px solid #f9f8fa;
          top: 8px;
        }
        .tab-style2 .active:before {
          border-bottom-right-radius: 100%;
          left: -7px;
        }
        .tab-style2 .active:after {
          border-bottom-left-radius: 100%;
          right: -7px;
        }
        
        .tab-style3 li {
          top: -8px;
          width: 60px;
          height: 35px;
          background-color: transparent;
          padding-top: 3px;
        }
        .tab-style3 li.follow {
          position: absolute;
          top: 0;
          display: flex;
          border-top: 3px solid #333;
          width: 60px;
          height: 1px;
          transition: all 0.3s ease-out;
        }
        .tab-style3 li:nth-child(1).active ~ .follow {
          left: 20px;
          z-index: 20;
        }
        .tab-style3 li:nth-child(2).active ~ .follow {
          left: 82px;
          z-index: 20;
        }
        .tab-style3 li:nth-child(3).active ~ .follow {
          left: 149px;
          z-index: 20;
        }
        .tab-style3 li:nth-child(4).active ~ .follow {
          left: 216px;
          z-index: 20;
        }
        .tab-style3 li:nth-child(5).active ~ .follow {
          left: 283px;
          z-index: 20;
        }
        
        .tab-style4 li {
          width: 60px;
          height: 40px;
          flex-direction: column;
          overflow: hidden;
        }
        .tab-style4 li span {
          position: relative;
          top: 3px;
          transition: top 0.4s ease-out, font-size 0.4s ease-out;
          text-shadow: inset 2px 2px 4px var(--clay-box-shadow);
        }
        .tab-style4 li:after {
          width: 100%;
          height: 10px;
          text-transform: uppercase;
          text-align: center;
          font-size: 8px;
          font-weight: bold;
          position: relative;
          bottom: -30px;
          opacity: 0;
          transition: bottom 0.4s ease-out, opacity 0.4s ease-out;
        }
        .tab-style4 li.active:after {.........完整代码请登录后点击上方下载按钮下载查看