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这篇文章主要介绍“怎么使用HTML5和CSS3实现生日快乐动画网页”的相关知识，小编通过实际案例向大家展示操作过程，操作方法简单快捷，实用性强，希望这篇“怎么使用HTML5和CSS3实现生日快乐动画网页”文章能帮助大家解决问题。
<!DOCTYPE html> <html lang="zh"> <head> <meta charset="UTF-8" /> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <title>Happy Birthday</title> <link rel="stylesheet" type="text/css" href="css/index.css" /> </head> <body> <div class="htmleaf-container"> <div class="wrapper"> <div class="container"> <h2>ᴴᴬᴾᴾᵞ ᴮᴵᴿᵀᴴᴰᴬᵞ</h2> <form class="form"> <input id="userName" name="userName" type="text" placeholder="姓名" /> <input id="pwd" name="pwd" type="password" placeholder="密码" /> <button type="submit" id="login-button">进入</button> </form> </div> <ul class="bg-bubbles"> <li> <img src="./img/timg.gif" style="width: 100%; height:" /> </li> <li> <img src="./img/timg.gif" style="width: 100%; height:" /> </li> <li> <img src="./img/timg.gif" style="width: 100%; height:" /> </li> <li> <img src="./img/timg.gif" style="width: 100%; height:" /> </li> <li> <img src="./img/timg.gif" style="width: 100%; height:" /> </li> <li> <img src="./img/timg.gif" style="width: 100%; height:" /> </li> <li> <img src="./img/timg.gif" style="width: 100%; height:" /> </li> <li> <img src="./img/timg.gif" style="width: 100%; height:" /> </li> <li> <img src="./img/timg.gif" style="width: 100%; height:" /> </li> <li> <img src="./img/timg.gif" style="width: 100%; height:" /> </li> </ul> </div> </div> <audio src="music/3.mp3" autoplay="autoplay" loop="loop"> <script src="js/jquery-2.1.1.min.js" type="text/javascript"></script> <script src="js/index.js" type="text/javascript"></script> </body> </html>
* {
box-sizing: border-box;
margin: 0;
padding: 0;
font-weight: 300;
}
body {
font-family:"Microsoft YaHei";
color: white;
font-weight: 300;
}
body ::-webkit-input-placeholder {
/* WebKit browsers */
font-family:"Microsoft YaHei";
color: white;
font-weight: 300;
}
body :-moz-placeholder {
/* Mozilla Firefox 4 to 18 */
font-family:"Microsoft YaHei";
color: white;
opacity: 1;
font-weight: 300;
}
body ::-moz-placeholder {
/* Mozilla Firefox 19+ */
font-family:"Microsoft YaHei";
color: white;
opacity: 1;
font-weight: 300;
}
body :-ms-input-placeholder {
/* Internet Explorer 10+ */
font-family:"Microsoft YaHei";
color: white;
font-weight: 300;
}
.wrapper {
background: #ee9ca7;
background: -webkit-linear-gradient(top left, #ee9ca7 0%, #ee9ca7 100%);
background: linear-gradient(to bottom right, #ee9ca7 0%, #ee9ca7 100%);
background-color:rgba(255,255,255,0.9);
position: absolute;
top:0;
left: 0;
overflow: hidden;
background-image: url(../img/bg.jpg);
height: 100%;
width: 100%;
background-size: 100%;
}
.wrapper.form-success .container h2 {
-webkit-transform: translateY(85px);
-ms-transform: translateY(85px);
transform: translateY(85px);
}
.container {
max-width: 600px;
margin: 0 auto;
margin-top: 7%;
padding: 80px 0;
height: 400px;
text-align: center;
}
.container h2 {
font-size: 40px;
-webkit-transition-duration: 1s;
transition-duration: 1s;
-webkit-transition-timing-function: ease-in-put;
transition-timing-function: ease-in-put;
font-weight: 200;
}
form {
padding: 20px 0;
position: relative;
z-index: 2;
}
form input {
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
outline: 0;
border: 1px solid rgba(255, 255, 255, 0.4);
background-color: rgba(255, 255, 255, 0.2);
width: 250px;
border-radius: 3px;
padding: 10px 15px;
margin: 0 auto 10px auto;
display: block;
text-align: center;
font-family: "Microsoft YaHei";
font-size: 18px;
color: white;
-webkit-transition-duration: 0.25s;
transition-duration: 0.25s;
font-weight: 300;
}
form input:hover {
background-color: rgba(255, 255, 255, 0.4);
}
form input:focus {
background-color: white;
width: 300px;
color: #ee9ca7;
}
form button {
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
outline: 0;
background-color: white;
font-family: "Microsoft YaHei";
border: 0;
padding: 10px 15px;
color: #ee9ca7;
border-radius: 3px;
width: 250px;
cursor: pointer;
font-size: 18px;
-webkit-transition-duration: 0.25s;
transition-duration: 0.25s;
}
form button:hover {
background-color: #f5f7f9;
}
.bg-bubbles {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 1;
}
.bg-bubbles li {
position: absolute;
list-style: none;
display: block;
width: 40px;
height: 40px;
background-color: rgba(255, 255, 255, 0.15);
bottom: -160px;
-webkit-animation: square 30s infinite;
animation: square 30s infinite;
-webkit-transition-timing-function: linear;
transition-timing-function: linear;
}
.bg-bubbles li:nth-child(1) {
left: 10%;
}
.bg-bubbles li:nth-child(2) {
left: 20%;
width: 80px;
height: 80px;
-webkit-animation-delay: 2s;
animation-delay: 2s;
-webkit-animation-duration: 17s;
animation-duration: 17s;
}
.bg-bubbles li:nth-child(3) {
left: 25%;
-webkit-animation-delay: 4s;
animation-delay: 4s;
}
.bg-bubbles li:nth-child(4) {
left: 40%;
width: 60px;
height: 60px;
-webkit-animation-duration: 22s;
animation-duration: 22s;
background-color: rgba(255, 255, 255, 0.25);
}
.bg-bubbles li:nth-child(5) {
left: 70%;
}
.bg-bubbles li:nth-child(6) {
left: 80%;
width: 120px;
height: 120px;
-webkit-animation-delay: 3s;
animation-delay: 3s;
background-color: rgba(255, 255, 255, 0.2);
}
.bg-bubbles li:nth-child(7) {
left: 32%;
width: 160px;
height: 160px;
-webkit-animation-delay: 7s;
animation-delay: 7s;
}
.bg-bubbles li:nth-child(8) {
left: 55%;
width: 20px;
height: 20px;
-webkit-animation-delay: 15s;
animation-delay: 15s;
-webkit-animation-duration: 40s;
animation-duration: 40s;
}
.bg-bubbles li:nth-child(9) {
left: 25%;
width: 10px;
height: 10px;
-webkit-animation-delay: 2s;
animation-delay: 2s;
-webkit-animation-duration: 40s;
animation-duration: 40s;
background-color: rgba(255, 255, 255, 0.3);
}
.bg-bubbles li:nth-child(10) {
left: 90%;
width: 160px;
height: 160px;
-webkit-animation-delay: 11s;
animation-delay: 11s;
}
@-webkit-keyframes {
0% {
-webkit-transform: translateY(0);
transform: translateY(0);
}
100% {
-webkit-transform: translateY(-900px) rotate(600deg);
transform: translateY(-900px) rotate(600deg);
}
}
@keyframes {
0% {
-webkit-transform: translateY(0);
transform: translateY(0);
}
100% {
-webkit-transform: translateY(-900px) rotate(600deg);
transform: translateY(-900px) rotate(600deg);
}
}关于“怎么使用HTML5和CSS3实现生日快乐动画网页”的内容就介绍到这里了，感谢大家的阅读。如果想了解更多行业相关的知识，可以关注亿速云行业资讯频道，小编每天都会为大家更新不同的知识点。
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