Day33综合案例--全民出游 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="12.index.css">
    <title>全民出游</title>
</head>
<body>
    <!-- 云 -->
    <div class="cloud">
        <img src="../图片/yun1.png" alt="">
        <img src="../图片/yun2.png" alt="">
        <img src="../图片/yun3.png" alt="">
    </div>
    <!-- 小标题 -->
     <div class="pic">
        <img src="../图片/1.png" alt="">
        <img src="../图片/2.png" alt="">
        <img src="../图片/3.png" alt="">
        <img src="../图片/4.png" alt="">
     </div>



    <!-- 文字 -->
    <div class="text">
        <img src="../图片/font1.png" alt="">
    </div>
</body>
</html>

*{
    padding: 0;
    margin: 0;
    list-style: none;
}
/* 大背景 */
/* 默认状态下html和body的高度都是0，导致background-size: cover;缩放背景不成功 */
html{
    height: 100%;
}
body{
    height: 100%;
    background: url(../图片/f1_1.jpg) no-repeat center 0 / cover;
    /* background-size: cover; */
}

/* 云  */
.cloud img{
    position: absolute;
    left: 50%;
}
.cloud img:nth-child(1){
    margin-left: -250px;
    top: 20px;
    animation: cloud 1s infinite alternate linear;
}
.cloud img:nth-child(2){
    margin-left: 400px;
    top: 100px;
    animation: cloud 0.8s infinite alternate linear;
}
.cloud img:nth-child(3){
    margin-left: -550px;
    top: 200px;
    animation: cloud 0.5s infinite alternate linear;
}
@keyframes cloud {
    100%{
        transform: translate(20px);
    }
}

/* 文字 */
.text img{
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    animation: move 2s;
}
/* 为了防止tranform属性被动画中的覆盖，最好重新将居中属性放在动画中 */
@keyframes move {
    0%{
        transform: translate(-50%,-50%) scale(1);
    }
    20%{
        transform: translate(-50%,-50%) scale(0.1);
    }
    40%{
        transform: translate(-50%,-50%) scale(1.4);
    }
    70%{
        transform: translate(-50%,-50%) scale(0.8);
    }
    100%{
        transform: translate(-50%,-50%) scale(1);
    }
}

/* 小标题 */
.pic img{
    position: absolute;
    left: 50%;
}
.pic img:nth-child(1){
    margin-left: -250px;
    top: 700px;
    animation: text 0.5s infinite alternate linear;
}
.pic img:nth-child(2){
    margin-left: -100px;
    top: 700px;
    animation: text 0.8s infinite alternate linear;
}
.pic img:nth-child(3){
    margin-left: 70px;
    top: 700px;
    animation: text 0.7s infinite alternate linear;
}
.pic img:nth-child(4){
    margin-left: 220px;
    top: 700px;
    animation: text 0.4s infinite alternate linear;
}
@keyframes text {
    100%{
        transform: translateY(20px);
    }
}

image

posted @ 2025-12-18 13:39  冰涿  阅读(3)  评论(0)    收藏  举报