css炫酷欢迎文字开场白动画效果代码-html代码-BFW代码库

代码语言：html
所属分类：动画
代码描述：css炫酷欢迎文字开场白动画效果代码
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@500&display=swap");
/**
* get random number.
* @param {number} min - min number.
* @param {number} max - max number.
*/
/*
* variable
*/
html,
body {
  height: 100vh;
  width: 100vw;
}
body {
  font-family: 'Montserrat', sans-serif;
  background: #fff;
  position: relative;
  overflow: hidden;
  font-size: 100%;
  text-align: center;
}
.criterion {
  font-size: 1.6rem;
  position: absolute;
  top: 50%;
  left: 50%;
  height: 0;
  width: 0;
  transform: translate(-20px, -20px);
}
/*
* background
*/
.background {
  position: absolute;
  top: 0;
  height: 100vh;
  width: 0;
  -webkit-animation: background-animation 2s ease-in-out 4s 1 normal forwards;
          animation: background-animation 2s ease-in-out 4s 1 normal forwards;
}
.background0 {
  left: 0%;
  height: 100vh;
  background-color: #eb4747;
}
.background1 {
  left: 12.5%;
  height: 100vh;
  background-color: #ebc247;
}
.background2 {
  left: 25%;
  height: 100vh;
  background-color: #99eb47;
}
.background3 {
  left: 37.5%;
  height: 100vh;
  background-color: #47eb70;
}
.background4 {
  left: 50%;
  height: 100vh;
  background-color: #47ebeb;
}
.background5 {
  left: 62.5%;
  height: 100vh;
  background-color: #4770eb;
}
.background6 {
  left: 75%;
  height: 100vh;
  background-color: #9947eb;
}
.background7 {
  left: 87.5%;
  height: 100vh;
  background-color: #eb47c2;
}
.background8 {
  left: 100%;
  height: 100vh;
  background-color: #eb4747;
}
/*
* text
*/
.text {
  position: absolute;
  width: 40px;
  line-height: 40px;
  opacity: 0;
  overflow: hidden;
}
.text::after {
  z-index: -1;
  content: '';
  display: inline-block;
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 40px;
}
.text0 {
  left: -140px;
  top: 0;
  -webkit-animation: text-animation0 1s ease-in-out 1s 1 normal forwards, text2-animation0 2s ease-in-out 5s 1 normal forwards;
          animation: text-animation0 1s ease-in-out 1s 1 normal forwards, text2-animation0 2s ease-in-out 5s 1 normal forwards;
}
.text0::after {
  -webkit-animation: text-after-animation0 2s ease-in-out 3s 1 normal forwards;
          animation: text-after-animation0 2s ease-in-out 3s 1 normal forwards;
}
.text1 {
  left: -100px;
  top: 0;
  -webkit-animation: text-animation1 1s ease-in-out 1.2s 1 normal forwards, text2-animation1 2s ease-in-out 5s 1 normal forwards;
          animation: text-animation1 1s ease-in-out 1.2s 1 normal forwards, text2-animation1 2s ease-in-out 5s 1 normal forwards;
}
.text1::after {
  -webkit-animation: text-after-animation1 2s ease-in-out 3s 1 normal forwards;
          animation: text-after-animation1 2s ease-in-out 3s 1 normal forwards;
}
.text2 {
  left: -60px;
  top: 0;
  -webkit-animation: text-animation2 1s ease-in-out 1.4s 1 normal forwards, text2-animation2 2s ease-in-out 5s 1 normal forwards;
          animation: text-animation2 1s ease-in-out 1.4s 1 normal forwards, text2-animation2 2s ease-in-out 5s 1 normal forwards;
}
.text2::after {
  -webkit-animation: text-after-animation2 2s ease-in-out 3s 1 normal forwards;
          animation: text-after-animation2 2s ease-in-out 3s 1 normal forwards;
}
.text3 {
  left: -20px;
  top: 0;
  -webkit-animation: text-animation3 1s ease-in-out 1.6s 1 normal forwards, text2-animation3 2s ease-in-out 5s 1 normal forwards;
          animation: text-animation3 1s ease-in-out 1.6s 1 normal forwards, text2-animation3 2s ease-in-out 5s 1 normal forwards;
}
.text3::after {
  -webkit-animation: text-after-animation3 2s ease-in-out 3s 1 normal forwards;
          animation: text-after-animation3 2s ease-in-out 3s 1 normal forwards;
}
.text4 {
  left: 20px;
  top: 0;
  -webkit-animation: text-animation4 1s ease-in-out 1.8s 1 normal forwards, text2-animation4 2s ease-in-out 5s 1 normal forwards;
          animation: text-animation4 1s ease-in-out 1.8s 1 normal forwards, text2-animation4 2s ease-in-out 5s 1 normal forwards;
}
.text4::after {
  -webkit-animation: text-after-animation4 2s ease-in-out 3s 1 normal forwards;
          animation: text-after-animation4 2s ease-in-out 3s 1 normal forwards;
}
.text5 {
  left: 60px;
  top: 0;
  -webkit-animation: text-animation5 1s ease-in-out 2s 1 normal forwards, text2-animation5 2s ease-in-out 5s 1 normal forwards;
          animation: text-animation5 1s ease-in-out 2s 1 normal forwards, text2-animation5 2s ease-in-out 5s 1 normal forwards;
}
.text5::after {
  -webkit-animation: text-after-animation5 2s ease-in-out 3s 1 normal forwards;
          animation: text-after-animation5 2s ease-in-out 3s 1 normal forwards;
}
.text6 {
  left: 100px;
  top: 0;
  -webkit-animation: text-animation6 1s ease-in-out 2.2s 1 normal forwards, text2-animation6 2s ease-in-out 5s 1 normal forwards;
          animation: text-animation6 1s ease-in-out 2.2s 1 normal forwards, text2-animation6 2s ease-in-out 5s 1 normal forwards;
}
.text6::after {
  -webkit-animation: text-after-animation6 2s ease-in-out 3s 1 normal forwards;
          animation: text-after-animation6 2s ease-in-out 3s 1 normal forwards;
}
.text7 {
  left: 140px;
  top: 0;
  -webkit-animation: text-animation7 1s ease-in-out 2.4s 1 normal forwards, text2-animation7 2s ease-in-out 5s 1 normal forwards;
          animation: text-animation7 1s ease-in-out 2.4s 1 normal forwards, text2-animation7 2s ease-in-out 5s 1 normal forwards;
}
.text7::after {
  -webkit-animation: text-after-animation7 2s ease-in-out 3s 1 normal forwards;
          animation: text-after-animation7 2s ease-in-out 3s 1 normal forwards;
}
.text8 {
  left: 180px;
  top: 0;
  -webkit-animation: text-animation8 1s ease-in-out 2.6s 1 normal forwards, text2-animation8 2s ease-in-out 5s 1 normal forwards;
          animation: text-animation8 1s ease-in-out 2.6s 1 normal forwards, text2-animation8 2s ease-in-out 5s 1 normal forwards;
}
.text8::after {
  -webkit-animation: text-after-animation8 2s ease-in-out 3s 1 normal forwards;
          animation: text-after-animation8 2s ease-in-out 3s 1 normal forwards;
}
@-webkit-keyframes text-animation0 {
  0% {
    transform: scale(0, 0);
    opacity: 0;
  }
  50% {
    transform: scale(3, 3);
  }
  100% {
    transform: scale(1, 1);
    opacity: 1;
  }
}
@keyframes text-animation0 {
  0% {
    transform: scale(0, 0);
    opacity: 0;
  }
  50% {
    transform: scale(3, 3);
  }
  100% {
    transform: scale(1, 1);
    opacity: 1;
  }
}
@-webkit-keyframes text-animation1 {
  0% {
    transform: scale(0, 0);
    opacity: 0;
  }
  50% {
    transform: scale(3, 3);
  }
  100% {
    transform: scale(1, 1);
    opacity: 1;
  }
}
@keyframes text-animation1 {
  0% {
    transform: scale(0, 0);
    opacity: 0;
  }
  50% {
    transform: scale(3, 3);
  }
  100% {
    transform: scale(1, 1);
    opacity: 1;
  }
}
@-webkit-keyframes text-animation2 {
  0% {
    transform: scale(0, 0);
    opacity: 0;
  }
  50% {
    transform: scale(3, 3);
  }
  100% {
    transform: scale(1, 1);
    opacity: 1;
  }
}
@keyframes text-animation2 {
  0% {
    transform: scale(0, 0);
    opacity: 0;
  }
  50% {
    transform: scale(3, 3);
  }
  100% {
    transform: scale(1, 1);
    opacity: 1;
  }
}
@-webkit-keyframes text-animation3 {
  0% {
    transform: scale(0, 0);
    opacity: 0;
  }
  50% {
    transform: scale(3, 3);
  }
  100% {
    transform: scale(1, 1);
    opacity: 1;
  }
}
@keyframes text-animation3 {
  0% {
    transform: scale(0, 0);
    opacity: 0;
  }
  50% {
    transform: scale(3, 3);
  }
  100% {
    transform: scale(1, 1);
    opacity: 1;
  }
}
@-webkit-keyframes text-animation4 {
  0% {
    transform: scale(0, 0);
    opacity: 0;
  }
  50% {
    transform: scale(3, 3);
  }
  100% {
    transform: scale(1, 1);
    opacity: 1;
  }
}
@keyframes text-animation4 {
  0% {
    transform: scale(0, 0);
    opacity: 0;
  }
  50% {
    transform: scale(3, 3);
  }
  100% {
    transform: scale(1, 1);
    opacity: 1;
  }
}
@-webkit-keyframes text-animation5 {
  0% {
    transform: scale(0, 0);
    opacity: 0;
  }
  50% {
    transform: scale(3, 3);
  }
  100% {
    transform: scale(1, 1);
    opacity: 1;
  }
}
@keyframes text-animation5 {
  0% {
    transform: scale(0, 0);
    opacity: 0;
  }
  50% {
    transform: scale(3, 3);
  }
  100% {
    transform: scale(1, 1);
    opacity: 1;
  }
}
@-webkit-keyframes text-animation6 {
  0% {
    transform: scale(0, 0);
    opacity: 0;
  }
  50% {
    transform: scale(3, 3);
  }
  100% {
    transform: scale(1, 1);
    opacity: 1;
  }
}
@keyframes text-animation6 {
  0% {
    transform: scale(0, 0);
    opacity: 0;
  }
  50% {
    transform: scale(3, 3);
  }
  100% {
    transform: scale(1, 1);
    opacity: 1;
  }
}
@-webkit-keyframes text-animation7 {
  0% {
    transform: scale(0, 0);
    opacity: 0;
  }
  50% {
    transform: scale(3, 3);
  }
  100% {
    transform: scale(1, 1);
    opacity: 1;
  }
}
@keyframes text-animation7 {
  0% {
    transform: scale(0, 0);
    opacity: 0;
  }
  50% {
    transform: scale(3, 3);
  }
  100% {
    transform: scale(1, 1);
    opacity: 1;
  }
}
@-webkit-keyframes text-animation8 {
  0% {
    transform: scale(0, 0);
    opacity: 0;
  }
  50% {
    transform: scale(3, 3);
  }
  100% {
    transform: scale(1, 1);
    opacity: 1;
  }
}
@keyframes text-animation8 {
  0% {
    transform: scale(0, 0);
    opacity: 0;
  }
  50% {
    transform: scale(3, 3);
  }
  100% {
    transform: scale(1, 1);
    opacity: 1;
  }
}
@-webkit-keyframes text-after-animation0 {
  0% {
    width: 0px;
    background-color: #eb4747;
    opacity: 1;
  }
  50% {
    width: 40px;
    opacity: 1;
  }
  100% {
    left: 40px;
    opacity: 0;
  }
}
@keyframes text-after-animation0 {
  0% {
    width: 0px;
    background-color: #eb4747;
    opacity: 1;
  }
  50% {
    width: 40px;
    opacity: 1;
  }
  100% {
    left: 40px;
    opacity: 0;
  }
}
@-webkit-keyframes text-after-animation1 {
  0% {
    width: 0px;
    background-color: #ebc247;
    opacity: 1;
  }
  50% {
    width: 40px;
    opacity: 1;
  }
  100% {
    left: 40px;
    opacity: 0;
  }
}
@keyframes text-after-animation1 {
  0% {
    width: 0px;
    background-color: #ebc247;
    opacity: 1;
  }
  50% {
    width: 40px;
    opacity: 1;
  }
  100% {
    left: 40px;
    opacity: 0;
  }
}
@-webkit-keyframes text-after-animation2 {
  0% {
    width: 0px;
    background-color: #99eb47;
    opacity: 1;
  }
  50% {
    width: 40px;
    opacity: 1;
  }
  100% {
    left: 40px;
    opacity: 0;
  }
}
@keyframes text-after-animation2 {
  0% {
    width: 0px;
    background-color: #99eb47;
    opacity: 1;
  }
  50% {
    width: 40px;
    opacity: 1;
  }
  100% {
    left: 40px;
    opacity: 0;
  }
}
@-webkit-keyframes text-after-animation3 {
  0% {
    width: 0px;
    background-color: #47eb70;
    opacity: 1;
  }
  50% {
    width: 40px;
    opacity: 1;
  }
  100% {
    left: 40px;
    opacity: 0;
  }
}
@keyframes text-after-animation3 {
  0% {
    width: 0px;
    background-color: #47eb70;
    opacity: 1;
  }
  50% {
    width: 40px;
    opacity: 1;
  }
  100% {
    left: 40px;
    opacity: 0;
  }
}
@-webkit-keyframes text-after-animation4 {
  0% {
    width: 0px;
    background-color: #47ebeb;
    opacity: 1;
  }
  50% {
    width: 40px;
    opacity: 1;
  }
  100% {
    left: 40px;
    opacity: 0;
  }
}
@keyframes text-after-animation4 {
  0% {
    width: 0px;
    background-color: #47ebeb;
    opacity: 1;
  }
  50% {
    width: 40px;
    opacity: 1;
  }
  100% {
    left: 40px;
    opacity: 0;
  }
}
@-webkit-keyframes text-after-animation5 {
  0% {
    width: 0px;
    background-color: #4770eb;
    opacity: 1;
  }
  50% {
    width: 40px;
    opacity: 1;
  }
  100% {
    left: 40px;
    opacity: 0;
  }
}
@keyframes text-after-animation5 {
  0% {
    width: 0px;
    background-color: #4770eb;
    opacity: 1;
  }
  50% {
    width: 40px;
    opacity: 1;
  }
  100% {
    left: 40px;
    opacity: 0;
  }
}
@-webkit-keyframes text-after-animation6 {
  0% {
    width: 0px;
    background-color: #9947eb;
    opacity: 1;
  }
  50% {
    width: 40px;
    opacity: 1;
  }
  100% {
    left: 40px;
    opacity: 0;
  }
}
@keyframes text-after-animation6 {
  0% {
    width: 0px;
    background-color: #9947eb;
    opacity: 1;
  }
  50% {
    width: 40px;
    opacity: 1;
  }
  100% {
    left: 40px;
    opacity: 0;
  }
}
@-webkit-keyframes text-after-animation7 {
  0% {
    width: 0px;
    background-color: #eb47c2;
    opacity: 1;
  }
  50% {
    width: 40px;
    opacity: 1;
  }
  100% {
    left: 40px;
    opacity: 0;
  }
}
@keyframes text-after-animation7 {
  0% {
    width: 0px;
    background-color: #eb47c2;
    opacity: 1;
  }
  50% {
    width: 40px;
    opacity: 1;
  }
  100% {
    left: 40px;
    opacity: 0;
  }
}
@-webkit-keyframes text-after-animation8 {
  0% {
    width: 0px;
    background-color: #eb4747;
    opacity: 1;
  }
  50% {
    width: 40px;
    opacity: 1;
  }
  100% {
    left: 40px;
    opacity: 0;
  }
}
@keyframes text-after-animation8 {
  0% {
    width: 0px;
    background-color: #eb4747;
    opacity: 1;
  }
  50% {
    width: 40px;
    opacity: 1;
  }
  100% {
    left: 40px;
    opacity: 0;
  }
}
@-webkit-keyframes text2-animation0 {
  0% {
    left: -140px;
    opacity: 1;
  }
  50% {
    left: -100px;
    opacity: 0;
  }
  100% {
    left: -100px;
    opacity: 0;
  }
}
@keyframes text2-animation0 {
  0% {
    left: -140px;
    opacity: 1;
  }
  50% {
    left: -100px;
    opacity: 0;
  }
  100% {
    left: -100px;
    opacity: 0;
  }
}
@-webkit-keyframes text2-animation1 {
  0% {
    left: -100px;
    opacity: 1;
  }
  50% {
    left: -60px;
    opacity: 0;
  }
  100% {
    left: -60px;
    opacity: 0;
  }
}
@keyframes text2-animation1 {
  0% {
    left: -100px;
    opacity: 1;
  }
  50% {
    left: -60px;
    opacity: 0;
  }
  100% {
    left: -60px;
    opacity: 0;
  }
}
@-webkit-keyframes text2-animation2 {
  0% {
    left: -60px;
    opacity: 1;
  }
  50% {
    left: -20px;
    opacity: 0;
  }
  100% {
    left: -20px;
    opacity: 0;
  }
}
@keyframes text2-animation2 {
  0% {
    left: -60px;
    opacity: 1;
  }
  50% {
    left: -20px;
    opacity: 0;
  }
  100% {
    left: -20px;
    opacity: 0;
  }
}
@-webkit-keyframes text2-animation3 {
  0% {
    left: -20px;
    opacity: 1;
  }
  50% {
    left: 20px;
    opacity: 0;
  }
  100% {
    left: 20px;
    opacity: 0;
  }
}
@keyframes text2-animation3 {
  0% {
    left: -20px;
    opacity: 1;
  }
  50% {
    left: 20px;
    opacity: 0;
  }
  100% {
    left: 20px;
    opacity: 0;
  }
}
@-webkit-keyframes text2-animation4 {
  0% {
    left: 20px;
    opacity: 1;
  }
  50% {
    left: 60px;
    opacity: 0;
  }
  100% {
    left: 60px;
    opacity: 0;
  }
}
@keyframes text2-animation4 {
  0% {
    left: 20px;
    opacity: 1;
  }
  50% {
    left: 60px;
    opacity: 0;
  }
  100% {
    left: 60px;
    opacity: 0;
  }
}
@-webkit-keyframes text2-animation5 {
  0% {
    left: 60px;
    opacity: 1;
  }
  50% {
    left: 100px;
    opacity: 0;
  }
  100% {
    left: 100px;
    opacity: 0;
  }
}
@keyframes text2-animation5 {
  0% {
    left: 60px;
    opacity: 1;
  }
  50% {
    left: 100px;
    opacity: 0;
  }
  100% {
    left: 100px;
    opacity: 0;
  }
}
@-webkit-keyframes text2-animation6 {
  0% {
    left: 100px;
    opacity: 1;
  }
  50% {
    left: 140px;
    opacity: 0;
  }
  100% {
    left: 140px;
    opacity: 0;
  }
}
@keyframes text2-animation6 {
  0% {
    left: 100px;
    opacity: 1;
  }
  50% {
    left: 140px;
    opacity: 0;
  }
  100% {
    left: 140px;
    opacity: 0;
  }
}
@-webkit-keyframes text2-animation7 {
  0% {
    left: 140px;
    opacity: 1;
    top: 0;
    transform: scale(1, 1);
  }
  50% {
    left: 180px;
    opacity: 1;
    transform: scale(1, 1);
  }
  65% {
    top: 0;
    transform: scale(1, 1);
  }
  70% {
    transform: scale(3, 3) rotate(90deg);
    top: -30px;
  }
  75% {
    left: 180px;
    top: 0;
    opacity: 1;
    transform: scale(2, 2) rotate(90deg);
  }
  85% {
    left: 180px;
  }
  100% {
    left: 1000px;
    opacity: 0;
    transform: scale(2, 2) rotate(90deg);
  }
}
@keyframes text2-animation7 {
  0% {
    left: 140px;
    opacity: 1;
    top: 0;
    transform: scale(1, 1);
  }
  50% {
    left: 180px;
    opacity: 1;
    transform: scale(1, 1);
  }
  65% {
    top: 0;
    transform: scale(1, 1);
  }
  70% {
    transform: scale(3, 3) rotate(90deg);
    top: -30px;
  }
  75% {
    left: 180px;
    top: 0;
    opacity: 1;
    transform: scale(2, 2) rotate(90deg);
  }
  85% {
    left: 180px;
  }
  100% {
    left: 1000px;
    opacity: 0;
    transform: scale(2, 2) rotate(90deg);
  }
}
@-webkit-keyframes text2-animation8 {
  0% {
    left: 180px;
    opacity: 1;
  }
  50% {
    left: 220px;
    opacity: 0;
  }
  100% {
    left: 220px;
    opacity: 0;
  }
}
@keyframes text2-animation8 {
  0% {
    left: 180px;
    opacity: 1;
  }
  50% {
    left: 220px;
    opacity: 0;
  }
  100% {
    left: 220px;
    opacity: 0;
  }
}
/*
* frame
*/
.frame {
  position: absolute;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  opacity: 0;
}
.frame0 {
  left: -140px;
  top: 0;
  -webkit-animation: frame-animation0 1s ease-in-out 0ms 1 normal forwards;
          animation: frame-animation0 1s ease-in-out 0ms 1 normal forwards;
  background-color: #eb4747;
}
.frame1 {
  left: -100px;
  top: 0;
  -webkit-animation: frame-animation1 1s ease-in-out 200ms 1 normal forwards;
          animation: frame-animation1 1s ease-in-out 200ms 1 normal forwards;
  background-color: #ebc247;
}
.frame2 {
  left: -60px;
  top: 0;
  -webkit-animation: frame-animation2 1s ease-in-out 400ms 1 normal forwards;
          animation: frame-animation2 1s ease-in-out 400ms 1 normal forwards;
  background-color: #99eb47;
}
.frame3 {
  left: -20px;
  top: 0;
  -webkit-animation: frame-animation3 1s ease-in-out 600ms 1 normal forwards;
          animation: frame-animation3 1s ease-in-out 600ms 1 normal forwards;
  background-color: #47eb70;
}
.frame4 {
  left: 20px;
  top: 0;
  -webkit-animation: frame-animation4 1s ease-in-out 800ms 1 normal forwards;
          animation: frame-animation4 1s ease-in-out 800ms 1 normal forwards;
  background-col.........完整代码请登录后点击上方下载按钮下载查看