jquery爱心信封打开动画效果-html代码-BFW代码库

代码语言：html

所属分类：动画

代码描述：jquery爱心信封打开动画效果

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>
#envelope {
  position: relative;
  width: 280px;
  height: 180px;
  border-bottom-left-radius: 6px;
  border-bottom-right-radius: 6px;
  margin-left: auto;
  margin-right: auto;
  top: 150px;
  background-color: #00334c;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.front {
  position: absolute;
  width: 0;
  height: 0;
  z-index: 3;
}

.flap {
  border-left: 140px solid transparent;
  border-right: 140px solid transparent;
  border-bottom: 82px solid transparent;
  /* a little smaller */
  border-top: 98px solid #00334c;
  /* a little larger */
  -webkit-transform-origin: top;
          transform-origin: top;
}

.pocket {
  border-left: 140px solid #0077B2;
  border-right: 140px solid #0077B2;
  border-bottom: 90px solid #006da3;
  border-top: 90px solid transparent;
  border-bottom-left-radius: 6px;
  border-bottom-right-radius: 6px;
}

.letter {
  position: relative;
  background-color: #fff;
  width: 90%;
  margin-left: auto;
  margin-right: auto;
  height: 90%;
  top: 5%;
  border-radius: 6px;
  box-shadow: 0 2px 26px rgba(0, 0, 0, 0.12);
}

.letter:after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background-image: -webkit-gradient(linear, left top, left bottom, color-stop(25%, rgba(255, 255, 255, 0)), color-stop(55%, rgba(215, 227, 239, 0.7)), to(#d7e3ef));
  background-image: linear-gradient(180deg, rgba(255, 255, 255, 0) 25%, rgba(215, 227, 239, 0.7) 55%, #d7e3ef 100%);
}

.words {
  position: absolute;
  left: 10%;
  width: 80%;
  height: 14%;
  background-color: #EEEFF0;
}

.words.line1 {
  top: 15%;
  width: 20%;
  height: 7%;
}

.words.line2 {
  top: 30%;
}

.words.line3 {
  top: 50%;
}

.words.line4 {
  top: 70%;
}

.open .flap {
  -webkit-transform: rotateX(180deg);
          transform: rotateX(180deg);
  -webkit-transition: z-index .6s, -webkit-transform .4s ease;
  transition: z-index .6s, -webkit-transform .4s ease;
  transition: transform .4s ease, z-index .6s;
  transition: transform .4s ease, z-index .6s, -webkit-transform .4s ease;
  z-index: 1;
}

.close .flap {
  -webkit-transform: rotateX(0deg);
          transform: rotateX(0deg);
  -webkit-transition: z-index 1s, -webkit-transform .4s .6s ease;
  transition: z-index 1s, -webkit-transform .4s .6s ease;
  transition: transform .4s .6s ease, z-index 1s;
  transition: transform .4s .6s ease, z-index 1s, -webkit-transform .4s .6s ease;
  z-index: 5;
}

.close .letter {
  -webkit-transform: translateY(0px);
          transform: translateY(0px);
  -webkit-transition: z-index 1s, -webkit-transform .4s ease;
  transition: z-index 1s, -webkit-transform .4s ease;
  transition: transform .4s ease, z-index 1s;
  transition: transform .4s ease, z-index 1s, -webkit-transform .4s ease;
  z-index: 1;
}

.open .letter {
  -webkit-transform: translateY(-60px);
          transform: translateY(-60px);
  -webkit-transition: z-index .6s, -webkit-transform .4s .6s ease;
  transition: z-index .6s, -webkit-transform .4s .6s ease;
  transition: transform .4s .6s ease, z-index .6s;
  transition: transform .4s .6s ease, z-index .6s, -webkit-transform .4s .6s ease;
  z-index: 2;
}

.hearts {
  position: absolute;
  top: 90px;
  left: 0;
  right: 0;
  z-index: 2;
}

.heart {
  position: absolute;
  bottom: 0;
  right: 10%;
}

.heart:before,
.heart:after {
  position: absolute;
  content: "";
  left: 50px;
  top: 0;
  width: 50px;
  height: 80px;
  background: #D00000;
  border-radius: 50px 50px 0 0;
  -webkit-transform: rotate(-45deg);
          transform: rotate(-45deg);
  -webkit-transform-origin: 0 100%;
          transform-origin: 0 100%;
}

.heart:after {
  left: 0;
  -webkit-transform: rotate(45deg);
          transform: rotate(45deg);
  -webkit-transform-origin: 100% 100%;
          transform-origin: 100% 100%;
}

.close .heart {
  opacity: 0;
  -webkit-animation: n.........完整代码请登录后点击上方下载按钮下载查看