jquery+css实现app多级导航菜单弹出提示框提示层效果代码-html代码-BFW代码库

代码语言：html

代码描述：jquery+css实现app多级导航菜单弹出提示框提示层效果代码

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">
<link type="text/css" rel="stylesheet" href="//repo.bfw.wiki/bfwrepo/css/reset.min.css">
  <link href='https://fonts.googleapis.com/css?family=Roboto:400,700' rel='stylesheet' type='text/css'>
<link href="https://fonts.googleapis.com/icon?family=Material+Icons"
      rel="stylesheet">
      <style>
          body {
  font-family: "Roboto", sans-serif;
  margin: 50px;
  -webkit-font-smoothing: antialiased;
}

section {
  background: #ebeaeb;
  margin: 0px auto;
  min-height: 90vh;
  padding: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 50px;
}

.section-notification .nav {
  display: flex;
  background: #333;
  color: white;
  border-radius: 4px;
  box-shadow: 0px 23px 30px -20px rgba(0, 0, 0, 0.4);
}
.section-notification .nav > li {
  padding: 20px 30px;
  width: 24px;
  height: 24px;
  cursor: pointer;
  color: rgba(255, 255, 255, 0.6);
  position: relative;
  transition: all 200ms ease-in-out;
  perspective: 1000px;
}
.section-notification .nav > li:last-child {
  border-right: none;
}
.section-notification .nav > li:hover {
  background: #444;
}
.section-notification .nav > li.is-active {
  box-shadow: 0px -4px 0px #0097A7 inset;
  background: #222;
  color: white;
}
.section-notification .nav > li.is-active .notifications {
  display: flex;
  -webkit-animation: note 800ms ease-in-out forwards;
          animation: note 800ms ease-in-out forwards;
  transform-origin: center 60px;
}
@-webkit-keyframes note {
  0% {
    opacity: 0;
    transform: scale(0.1) rotate(30deg) translateY(50px) rotateX(90deg);
  }
  50% {
    transform: rotate(-10deg) rotateX(-2deg);
    opacity: 1;
  }
  70% {
    transform: rotate(3deg);
  }
  100% {
    transform: scale(1);
  }
}
@keyframes note {
  0% {
    opacity: 0;
    transform: scale(0.1) rotate(30deg) translateY(50px) rotateX(90deg);
  }
  50% {
    transform: rotate(-10deg) rotateX(-2deg);
    opacity: 1;
  }
  70% {
    transform: rotate(3deg);
  }
  100% {
    transform: scale(1);
  }
}
.section-notification .notifications {
  background: #0097A7;
  display: none;
  border-radius: 4px;
  position: absolute;
  bottom: 100%;
  left: 50%;
  padding: 0px 10px;
  margin-bottom: 10px;
  margin-left: -95px;
  cursor: default;
}
.section-notification .notifications:after {
  top: 100%;
  left: 50%;
  border: solid transparent;
  content: " ";
  height: 0;
  width: 0;
  position: absolute;
  pointer-events: none;
  border-color: rgba(0, 151, 167, 0);
  border-top-color: #0097A7;
  border-width: 16px;
  margin-left: -16px;
}
.section-notification .notifications li {
  padding: 10px;
  font-family: "Roboto", sans-serif;
  color: white;
  font-size: 18px;
}
.section-notification .notifications li .material-icons {
  font-size: 18px;
}
.section-notification .notifications li span {
  display: inline-block;
  vertical-align: top;
  margin-left: 8px;
}

.section-alert .website {
  background: white;
  width: 600px;
  margin: 0 auto;
  height: 560px;
  box-shadow: 0px 23px 40px -20px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  position: relative;
  perspective: 1000px;
}
.section-alert .title {
  padding: 20px 10px 0;
  font-size: 30px;
  font-weight: 700;
  text-transform: uppercase;
  color: #444;
  line-height: 48px;
  letter-spacing: 0.1em;
}
.section-alert .title .site-icon {
  font-size: 48px;
  margin-right: 8px;
  vertical-align: middle;
  display: inline-block;
}
.section-alert .title hr {
  border: none;
  border-top: 1px solid #ccc;
}
.section-alert .grid {
  -moz-column-count: 4;
       column-count: 4;
  -moz-column-gap: 10px;
       column-gap: 10px;
  margin: 10px;
}
.section-alert .item {
  background: #ccc;
  height: 60px;
  margin-bottom: 10px;
  display: inline-block;
  width: 100%;
  border-radius: 4px;
  background-size: cover;
  background-position: center;
  opacity: 0.6;
  transition: opacity 200ms ease;
}
.section-alert .item:hover {
  opacity: 1;
  cursor: pointer;
}
.section-alert .item:nth-child(4n-3) {
  height: 80px;
}
.section-alert .item:nth-child(2n) {
  height: 200px;
}
.section-alert .item:nth-child(3n) {
  height: 100px;
}
.section-alert .item:nth-child(1) {
  background-image: url(http://www.fillmurray.com/130/302);
}
.section-alert .item:nth-child(2) {
  background-image: url(http://www.fillmurray.com/130/304);
}
.section-alert .item:nth-child(3) {
  background-image: url(http://www.fillmurray.com/130/306);
}
.section-alert .item:nth-child(4) {
  background-image: url(http://www.fillmurray.com/130/308);
}
.section-alert .item:nth-child(5) {
  background-image: url(http://www.fillmurray.com/130/310);
}
.section-alert .item:nth-child(6) {
  background-image: url(http://www.fillmurray.com/130/312);
}
.section-alert .item:nth-child(7) {
  background-image: url(http://www.fillmurray.com/130/314);
}
.section-alert .item:nth-child(8) {
  background-image: url(http://www.fillmurray.com/130/316);
}
.section-alert .item:nth-child(9) {
  background-image: url(http://www.fillmurray.com/130/318);
}
.section-alert .item:nth-child(10) {
  background-image: url(http://www.fillmurray.com/130/320);
}
.section-alert .item:nth-child(11) {
  background-image: url(http://www.fillmurray.com/130/322);
}
.section-alert .item:nth-child(12) {
  background-image: url(http://www.fillmurray.com/130/324);
}
.section-alert .item:nth-child(13) {
  background-image: url(http://www.fillmurray.com/130/326);
}
.section-alert .item:nth-child(14) {
  background-image: url(http://www.fillmurray.com/130/328);
}
.section-alert .item:nth-child(15) {
  background-image: url(http://www.fillmurray.com/130/330);
}
.section-alert .item:nth-child(16) {
  background-image: url(http://www.fillmurray.com/130/332);
}
.section-alert .item:nth-child(17) {
  background-image: url(http://www.fillmurray.com/130/334);
}
.section-alert .item:nth-child(18) {
  background-image: url(http://www.fillmurray.com/130/336);
}
.section-alert .item:nth-child(19) {
  background-image: url(http://www.fillmurray.com/130/338);
}
.section-alert .item:nth-child(20) {
  background-image: url(http://www.fillmurray.com/130/340);
}
.section-alert .item:nth-child(21) {
  background-image: url(http://www.fillmurray.com/130/342);
}
.section-alert .item:nth-child(22) {
  background-image: url(http://www.fillmurray.com/130/344);
}
.section-alert .item:nth-child(23) {
  background-image: url(http://www.fillmurray.com/130/346);
}
.section-alert .item:nth-child(24) {
  background-image: url(http://www.fillmurray.com/130/348);
}
.section-alert .item:nth-child(25) {
  background-image: url(http://www.fillmurray.com/130/350);
}
.section-alert .item:nth-child(26) {
  background-image: url(http://www.fillmurray.com/130/352);
}
.section-alert .item:nth-child(27) {
  background-image: url(http://www.fillmurray.com/130/354);
}
.section-alert .item:nth-child(28) {
  background-image: url(http://www.fillmurray.com/130/356);
}
.section-alert .item:nth-child(29) {
  background-image: url(http://www.fillmurray.com/130/358);
}
.section-alert .item:nth-child(30) {
  background-image: url(http://www.fillmurray.com/130/360);
}
.section-alert .alert-element {
  position: absolute;
  bottom: 30px;
  left: 30px;
  color: rgba(255, 255, 255, 0.7);
  border-radius: 4px;
  font-weight: 400;
  display: flex;
  align-items: stretch;
  padding-right: 20px;
  perspective: 1000px;
  opacity: 0;
  transform-origin: bottom left;
  transform: rotate(90deg) scale(0.5) translate(100px, -300px) rotateX(90deg);
  transition: all 450ms cubic-bezier(0, 0.6, 0.35, 1.4);
}
.section-alert .alert-element .icon {
  padding: 20px;
  background: #0097A7;
  color: white;
  border-radius: 4px 0px 0px 4px;
  overflow: hidden;
}
.section-alert .alert-element .icon i {
  transform: scale(0.2) translateY(50px);
  opacity: 0;
  transition: all 400ms.........完整代码请登录后点击上方下载按钮下载查看