css实现页面滚动粘性头部导航条效果代码-html代码-BFW代码库

css实现页面滚动粘性头部导航条效果代码

代码语言：html

代码描述：css实现页面滚动粘性头部导航条效果代码

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=Montserrat:wght@100..700&display=swap");
@supports (animation-timeline: view()) {
  @keyframes fade-out {
    to {
      background-size: 150%;
      opacity: 0;
    }
  }
  @keyframes zoom-out {
    to {
      font-size: 2rem;
      padding-left: 0.1em;
    }
  }
  @keyframes appear {
    to {
      opacity: 1;
    }
  }
  @keyframes max-out {
    to {
      max-width: 100%;
    }
  }
  .hero {
    animation: fade-out linear both;
    animation-timeline: view();
    animation-range: exit -100px;
  }

  nav {
    animation: max-out linear both;
    animation-timeline: view();
    animation-range-start: 80vh;
    animation-range-end: 100vh;
  }

  nav:after {
    animation: appear linear both;
    animation-timeline: view();
    animation-range-start: 60vh;
    animation-range-end: 100vh;
  }

  .logo {
    animation: zoom-out linear both;
    animation-timeline: view();
    animation-range-start: 10vh;
    animation-range-end: 100vh;
  }
}
body {
  font-family: "Montserrat", sans-serif;
  font-size: 1rem;
  margin: 0;
  background-color: #1f2020;
  color: #F9F6EF;
}

.hero, nav, main {
  max-width: 75ch;
  margin: 0 auto;
  padding-inline: 1em;
}

h1, h2, h3 {
  text-wrap: balance;
  line-height: 0.8;
}

p {
  text-wrap: pretty;
  line-height: 1.5;
}

nav {
  position: sticky;
  top: 0;
  left: 0;
  min-height: 3rem;
  background-color: #1f2020d0;
  backdrop-filter: blur(0.2em);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0;
}
nav ul {
  padding-right: 1em;
  margin: 0;
  display: inline-flex;
  gap: 1rem;
}
nav ul li {
  list-style: none;
  display: inline-block;
  cursor: pointer;
  transition: 0.5s linear;
}
nav ul li:hover {
  text-decoration: underline #5EB0E5;
}

.hero {
  min-height: 60vh;
  background-image: url("//repo.bfw.wiki/bfwrepo/image/659b346b920d9.png");
  background-size: 50%;
  background-repeat: no-repeat;
  background-position: 100% 50%;
  mix-blend-mode: lighten;
  display: grid;
  align-content: center;
  container-type: inline-size;
}
.hero h1 {
  font-size: clamp(2rem, 7cqi, 10rem);
  font-weight: 100;
  max-width: 50%;
  color: #e389f5;
}
.hero .btn {
  display: inline;
  position: relative;
  padding: 0.5em 1em;
  cursor: pointer;
}
.hero .btn:before, .hero .btn:after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, #ff6666, #ffb366, #ffff66, #b3ff66, #66ff66, #66ffb3, #66ffff, #66b3ff, #6666ff, #b366ff, #ff66ff, #ff66b3, #ff6666);
  background: linear-gradient(in hsl longer hue 45deg, #f66 0 0);
  z-index: -1;
  clip-path: polygon(90% 0, 100% 50%, 90% 99%, 0% 100%, 8% 50%, 0% 0%);
}
.hero .btn:after {
  background: #1f2020;
  inset: 3px;
}

nav:after {
  content: "";
  position: absolute;
  opacity: 0;
  height: 0.05em;
  width: 100%;
  bottom: 0;
  background: linear-gradient(90deg, #ff6666, #ffb366, #ffff66, #b3ff66, #66ff66, #66ffb3, #66ffff, #66b3ff, #6666ff, #b366ff, #ff66ff, #ff66b3, #ff6666);
  background: linear-gradient(in hsl longer hue 90deg, #f66 0 0);
}

.logo {
  font-weight: 900;
  font-size: 10cqi;
  background: linear-gradient(45deg, #ff6666, #ffb366, #ffff66, #b3ff66, #66ff66, #66ffb3, #66ffff, #66b3ff, #6666ff, #b366ff, #ff66ff, #ff66b3, #ff6666);
  background: linear-gradient(in hsl longer hue 40deg, #f66 0 0);
  background-clip: text;
  color: #0000;
}
</style>


  
  
</head>

<bod>
  <div class="hero">
  <h1>Pure CSS Header Animation </h1>
  <div class="action-btns">
    <div class="btn">More</div>
  </div>
</div>
<nav>
  <div class="logo">AG</div>
  <ul> 
    <li>Home</li>
    <li>About</li>
    <li>Contact</li>
    <li&g.........完整代码请登录后点击上方下载按钮下载查看