先看看效果：
PixPin_2024-06-10_17-57-17.gif
HTML代码：

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <title>CSS带有滑动菜单指示器的导航选项卡</title>
    <link rel="stylesheet" href="style.css" />
    <link
      rel="stylesheet"
      href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.2/css/all.min.css"
    />
  </head>
  <body>
    <div class="tabs">
      <input type="radio" id="home" name="tabsMenu" checked />
      <input type="radio" id="profile" name="tabsMenu" />
      <input type="radio" id="likes" name="tabsMenu" />
      <input type="radio" id="settings" name="tabsMenu" />
      <input type="radio" id="notifications" name="tabsMenu" />
      <div class="buttons">
        <label for="home"><i class="fa-solid fa-house"></i></label>
        <label for="profile"><i class="fa-solid fa-user"></i></label>
        <label for="likes"><i class="fa-solid fa-heart"></i></label>
        <label for="settings"><i class="fa-sharp fa-solid fa-gear"></i></label>
        <label for="notifications"><i class="fa-solid fa-bell"></i></label>
        <div class="underline"></div>
      </div>
    </div>
  </body>
</html>

CSS代码：

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

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: #10202b;
}

.tabs input {
  visibility: hidden;
  display: none;
}

.buttons {
  position: relative;
  display: flex;
  gap: 80px;
  padding: 30px 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  background-color: #182d3c;
  overflow: hidden;
  border-radius: 20px;
}

.buttons label {
  width: 20%;
  font-size: 1.75em;
  -webkit-text-stroke: 1px #fff;
  color: transparent;
  opacity: 0.3;
  cursor: pointer;
  transition: 0.5s;
}

.buttons label:hover {
  opacity: 1;
  filter: drop-shadow(0 0 10px #fff) drop-shadow(0 0 20px #fff);
}

.tabs input:nth-child(1):checked ~ .buttons label:nth-child(1),
.tabs input:nth-child(2):checked ~ .buttons label:nth-child(2),
.tabs input:nth-child(3):checked ~ .buttons label:nth-child(3),
.tabs input:nth-child(4):checked ~ .buttons label:nth-child(4),
.tabs input:nth-child(5):checked ~ .buttons label:nth-child(5) {
  color: #fff;
  opacity: 1;
  filter: drop-shadow(0 0 10px #fff) drop-shadow(0 0 20px #fff);
}

.underline {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 20%;
  height: 5px;
  transition: 0.5s;
}

.underline::before {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  border-radius: 4px;
  height: 100%;
  background-color: #fff;
  filter: drop-shadow(0 0 10px #fff) drop-shadow(0 0 20px #fff)
    drop-shadow(0 0 30px #fff) drop-shadow(0 0 50px #fff);
}

.underline::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  border-radius: 4px;
  height: 100%;
  background-color: #fff;
  filter: drop-shadow(0 0 10px #fff) drop-shadow(0 0 20px #fff)
    drop-shadow(0 0 30px #fff) drop-shadow(0 0 50px #fff) blur(5px);
}

.tabs input:nth-child(1):checked ~ .buttons .underline {
  left: 0;
}

.tabs input:nth-child(2):checked ~ .buttons .underline {
  left: 20%;
}

.tabs input:nth-child(3):checked ~ .buttons .underline {
  left: 40%;
}

.tabs input:nth-child(4):checked ~ .buttons .underline {
  left: 60%;
}
.tabs input:nth-child(5):checked ~ .buttons .underline {
  left: 80%;
}

标签: css, html

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