文字下落动画切换效果-html代码-BFW代码库

代码语言：html

所属分类：动画

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/css?family=Nunito+Sans:400,700&display=swap" rel="stylesheet">
<style>
* {
  box-sizing: border-box;
  font-family: 'Nunito Sans', sans-serif;
}

body {
  background: #fafafa;
  padding: 0;
  margin: 0;
}

div#artboard {
  position: fixed;
  z-index: -1;
}

div.container {
  max-width: 1440px;
  margin: 0 auto;
}

section#nav {
  height: 120px;
  width: 100%;
  display: -webkit-box;
  display: flex;
  -webkit-box-pack: end;
          justify-content: flex-end;
}
section#nav a {
  all: unset;
}
section#nav .nav-item {
  width: 140px;
  padding-top: 30px;
  cursor: pointer;
}
section#nav .nav-item .nav-text {
  color: #333;
  font-size: 16px;
  letter-spacing: .4px;
  text-align: center;
  margin: 0 auto;
  -webkit-transition: 0.5s cubic-bezier(0.35, -0.15, 0.17, 1.1) 0s;
  transition: 0.5s cubic-bezier(0.35, -0.15, 0.17, 1.1) 0s;
}
section#nav .nav-item .nav-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: #57068C;
  margin: 0 auto;
  position: relative;
  top: -125px;
  -webkit-transition: 0.5s cubic-bezier(0.35, -0.15, 0.17, 1.1) 0s;
  transition: 0.5s cubic-bezier(0.35, -0.15, 0.17, 1.1) 0s;
}
section#nav .nav-item:hover .nav-text {
  color: #fff;
}
section#nav .nav-item:hover .nav-circle {
  width: 140px;
  height: 140px;
  top: -120px;
  z-index: -1;
}

section#content {
  position: fixed;
  width: 100%;
  height: 100%;
}
section#content .project {
  position: absolute;
  top: 150px;
  width: 100%;
  visibility: hidden;
  opacity: 0;
}
section#content .project .col-left {
  position: absolute;
  left: 40px;
  width: 60%;
}
section#content .project .col-right {
  position: absolute;
  right: 40px;
}
section#content .project span {
  display: inline-block;
  -webkit-transform: translateY(-400px);
          transform: translateY(-400px);
  -webkit-transition: 819ms ease-in-out 962ms;
  transition: 819ms ease-in-out 962ms;
}
section#content .project span:nth-child(2n+1) {
  -webkit-transition: 1406ms ease-in-out 928ms;
  transition: 1406ms ease-in-out 928ms;
}
section#content .project span:nth-child(3n+2) {
  -webkit-transition: 1200ms ease-in-out 861ms;
  transition: 1200ms ease-in-out 861ms;
}
section#content .project span:nth-child(5n+7) {
  -webkit-transition: 1204ms ease-in-out 881ms;
  transition: 1204ms ease-in-out 881ms;
}
section#content .project span:nth-child(7n+5) {
  -webkit-transition: 817ms ease-in-out 666ms;
  transition: 817ms ease-in-out 666ms;
}
section#content .project span:nth-child(11n+3) {
  -webkit-transition: 1340ms ease-in-out 894ms;
  transition: 1340ms ease-in-out 894ms;
}
section#content .project span:nth-child(13n+5) {
  -webkit-transition: 1321ms ease-in-out 803ms;
  transition: 1321ms ease-in-out 803ms;
}
section#content .project.active {
  visibility: visible;
  opacity: 1;
  -webkit-transition: 1s ease-in-out 0s;
  transition: 1s ease-in-out 0s;
}
section#content .project.active span {
  -webkit-transform: translateY(0px);
          transform: translateY(0px);
}
section#content .project.disappear {
  visibility: visible;
  opacity: 1;
  -webkit-transition: 1s ease-in-out 0s;
  transition: 1s ease-in-out 0s;
}
section#content .project.disappear span {
  -webkit-transform: translateY(500px);
          transform: translateY(500px);
}
section#content .project.disappear a#link {
  visibility: hidden;
}
section#content h1 {
  color: #333;
  font-size: 30px;
  letter-spacing: .75px;
  font-weight: bold;
  margin: 0;
  max-width: 60vw;
}
section#content h2 {
  color: #333;
  font-size: 18px;
  l.........完整代码请登录后点击上方下载按钮下载查看