全屏导航动画特效-html代码-BFW代码库

代码语言：html
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">

<title> - Fork it! - Navigation &amp; Sub-navigation #codepenchallenge</title>
<link href="https://fonts.googleapis.com/css?family=Montserrat:400,700&display=swap" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Abril+Fatface&display=swap" rel="stylesheet">
<link rel="stylesheet" href="http://repo.bfw.wiki/bfwrepo/css/normalize.min.css">
<style>
    :root {
  --ccft-cs-background: #000;
  --ccft-cs-on-surface: #fff;
  --ccft-cs-surface: #fff;
  --ccft-cs-primary: hsl(14, 97%, 65%);
  --ccft-cs-primary-alt: hsla(14, 97%, 65%, .3);
  --ccft-ts-primary: Montserrat, sans-serif;
  --ccft-ts-secondary: 'Abril Fatface', serif;
  --ccft-spacer-x: 40px;
  --ccft-spacer-y: 40px;
  --ccft-brand-size: 60px;
}

* {
  box-sizing: border-box;
}

html,
body {
  background-color: var(--ccft-cs-background);
  font-family: var(--ccft-ts-primary);
  margin: 0;
}

.layout {
  background-image: url(https://source.unsplash.com/rf5R1qXwlDU/1600x900);
  background-position: 0 0;
  background-size: cover;
  height: 100vh;
  overflow: hidden;
  position: relative;
}

.layout.nav--active main {
  opacity: .2;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
}

.layout__backdrop,
.layout__frontdrop {
  background-color: rgba(0, 0, 0, .3);
  content: '';
  display: block;
  height: 100%;
  left: 0;
  position: fixed;
  -webkit-transform-origin: 0% 50%;
          transform-origin: 0% 50%;
  width: 100%;
  z-index: 0;
}

.layout__backdrop {
  -webkit-transform: scaleX(.34) translateX(calc(67% * 3));
          transform: scaleX(.34) translateX(calc(67% * 3));
}

.layout.nav--active .layout__frontdrop {
  background-color: var(--ccft-cs-primary-alt);
  visibility: visible;
}

.layout__frontdrop {
  opacity: 0;
  visibility: hidden;
  z-index: 2;
}

.layout__wrapper {
  display: grid;
  grid-template-columns: 300px repeat(3, 1fr);
  margin: auto;
  height: 100%;
}

.layout__main {
  transition: opacity .3s;
  z-index: 1;
}

.hero {
  padding-top: 10rem;
}

.hero-title {
  color: #fff;
  font-family: var(--ccft-ts-secondary);
  font-weight: 400;
  font-size: 4.75rem;
  line-height: 1.2;
  margin-left: auto;
  margin-right: 5rem;
  margin-bottom: 0;
  position: relative;
  width: 32.5rem;
  z-index: 1;
}

.hero-title em {
  display: block;
  font-size: 2rem;
  font-style: normal;
  line-height: 1.2;
  -webkit-transform: translateX(2.5rem);
          transform: translateX(2.5rem);
}

.hero-text {
  background-color: rgba(0, 0, 0, .3);
  color: #fff;
  font-size: .92rem;
  line-height: 1.75;
  margin: 0;
  margin-left: auto;
  margin-right: 6rem;
  padding: 5rem 3rem 3rem;
  -webkit-transform: translateY(-3rem);
          transform: translateY(-3rem);
  width: 50%;
  z-index: 0;
}

.hero-text a {
  box-shadow: 0 4px #fff;
  color: #fff;
  text-decoration: none;
}

.hero-block--content > *:last-child {
  margin-bottom: 0;
}

.layout__main {
  display: flex;
  flex-direction: column;
}

.layout__header {
  height: 100%;
  z-index: 2;
}

.layout__header nav {
  height: 100%;
}

.layout__main {
  grid-column: span 3;
}

.nav {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav--header-1 {
  counter-reset: n;
  height: 100%;
  padding: 0 2rem;
  position: relative;
}

.nav--header-1 > .nav__item:not(.nav__item--home) {
  counter-increment: n;
}

.nav--header-1 > .nav__item:not(.nav__item--home) > .nav__link {
  color: var(--ccft-cs-on-surface);
  display: block;
  font-family: var(--ccft-ts-secondary);
  font-size: 1.75rem;
  line-height: 1;
  letter-spacing: .045em;
  padding: 1rem 1rem;
  padding-left: 3rem;
  padding-top: 3rem;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  transition: -webkit-transform .2s;
  transition: transform .2s;
  transition: transform .2s, -webkit-transform .2s;
  transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
  z-index: 1;
}

.nav--header-1 > .nav__item > .nav__link::before {
  content: counter(n, decimal-leading-zero);
  display: block;
  font-family: var(--ccft-ts-primary);
  font-size: 6rem;
  font-weight: bold;
  left: 0;
  top: 0;
  opacity: .25;
  position: absolute;
  transition: -webkit-transform .2s;
  transition: transform .2s;
  transition: transform .2s, -webkit-transform .2s;
  z-index: -1;
}

.nav--header-1 > .nav__item > .nav__link:hover,
.nav--header-1 > .nav__item.nav__item--active > .nav__link {
  color: var(--ccft-cs-primary);
  -webkit-transform: translateX(.5rem);
          transform: translateX(.5rem);
}

.nav--header-1 > .nav__item.nav__item--active .nav--header-2 {
  visibility: visible;
}

.nav--header-1 .nav__item--home {
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M14.145 8.633l-2.145-8.633-2.148 8.636c-.572.366-1.034.877-1.358 1.477l-8.494 1.887 8.494 1.887c.324.6.786 1.111 1.358 1.477l2.148 8.636 2.157-8.64c.571-.367 1.03-.879 1.353-1.479l8.49-1.881-8.492-1.884c-.324-.603-.788-1.116-1.363-1.483zm-2.145 5.367c-1.104 0-2-.896-2-2s.896-2 2-2 2 .896 2 2-.896 2-2 2zm7 5l-3.43-2.186c.474-.352.893-.771 1.245-1.245l2.185 3.431zm-3.521-11.882l3.521-2.117-2.119 3.519c-.386-.542-.86-1.015-1.402-1.402zm-6.955 9.767l-3.524 2.115 2.118-3.521c.387.543.862 1.018 1.406 1.406zm-1.34-8.453l-2.184-3.431 3.431 2.184c-.474.352-.894.772-1.247 1.247z" fill="rgb(255, 255, 255)" style="transform-origin: 50% 50%; transform: rotateZ(-27deg);"/></svg>');
  background-position: 0px 50%;
  background-repeat: no-repeat;
  background-size: var(--ccft-brand-size) var(--ccft-brand-size);
  margin-bottom: 60px;
  padding: 0;
}

.nav--header-1 .nav__item--home > .nav__link {
  display: block; /* Necessary for text-indent to work */
  height: calc(var(--ccft-brand-size) + 40px);
  text-indent: -999px;
}

.nav--header-2 {
  height: 100%;
  left: 270px;
  opacity: 0;
  padding: 2.5rem 5rem;
  position: fixed;
  top: 0;
  visibility: hidden;
  width: 100%;
}

.nav--header-2::before {
  background-image: url('data:image/svg+xml;utf8,<svg width="24" height="24" xmlns="http://www.w3.org/2000/svg" fill-rule="evenodd" clip-rule="evenodd"><path d="M23.954 21.03l-9.184-9.095 9.092-9.174-2.832-2.807-9.09 9.179-9.176-9.088-2.81 2.81 9.186 9.105-9.095 9.184 2.81 2.81 9.112-9.192 9.18 9.1z" fill="rgb(255, 255, 255)"/></svg>');
  background-repeat: no-repeat;
  background-size: 30px 30px;
  content: '';
  cursor: pointer;
  display: block;
  margin-bottom: 6rem;
  height: 30px;
  width: 30px;
}

.nav--header-2 > .nav__item {
  margin-bottom: 2.75rem;
}

.nav--header-2 > .nav__item > .nav__link {
  background-image: linear-gradient(to bottom, var(--ccft-cs-primary) 0%, var(--ccft-cs-primary) 100%);
  background-position: 0 100%;
  background-repeat: repeat-x;
  background-size: 6px 6px;
  color: #fff;
  font-family: var(--ccft-ts-primary);
  font-size: 2.75rem;
  font-weight: bold;
  letter-spacing: .05em;
  text-decoration: none;
  transition: background-size .25s, color .3s;
}

.nav--header-2 > .nav__item > .nav__link:hover {
  background-size: 6px 50px;
  color: #000000;
}
  </style>

</head>
<body translate="no">
<div class="layout">
<div class="layout__backdrop">.........完整代码请登录后点击上方下载按钮下载查看
全屏导航动画特效

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