大海波浪动画

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        
        html,
        body {
            /*让html和body与浏览器宽高一致*/
            width: 100%;
            height: 100%;
            background-color: #0EA9B1;
            overflow: hidden;
            /*隐藏右边滑动框*/
        }
        
        img {
            /*让image与浏览器宽度一致*/
            width: 100%;
            height: auto;
            position: absolute;
            left: 0;
            bottom: 0;
        }
        
        img:first-child {
            /*引用move的动画*/
            animation: move 2.2s linear infinite;
        }
        
        img:last-child {
            /*引用move的动画*/
            animation: move 1.8s linear infinite;
        }
        
        div {
            width: 100px;
            height: 100px;
            margin: 100px;
            /*子决父相*/
            position: relative;
        }
        
        div::before,
        div::after {
            content: "";
            width: 50px;
            height: 50px;
            /*定位后，宽高为父标签的50%*/
            position: absolute;
            top: 50%;
            left: 50%;
            /*定位后，宽高为父标签的50%后，再走自己大小的-50%（也可以用margin走-50%）   transition是过渡   transform才用于移动或动画*/
            transform: translate(-50%, -50%);
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.8);
            /*元素本身的颜色和透明度*/
            animation: sun 2s linear infinite;
            /*引用sun动画*/
        }
        
        div::after {
            content: "";
            width: 80px;
            height: 80px;
            background: rgba(255, 255, 255, 0.6);
            /*元素本身的颜色和透明度*/
            animation: sun 3s linear infinite;
            /*引用sun动画*/
        }
        
        @keyframes move {
            /*move的动画*/
            0% {
                bottom: 0;
            }
            50% {
                bottom: -50px;
            }
            100% {
                bottom: 0;
            }
        }
        
        @keyframes sun {
            /*move的动画*/
            0% {
                transform: translate(-50%, -50%) scale(1);
                /*由于动画缩放用到transform 把之前的样式层叠了 所以这里要增加transform:translate */
                box-shadow: 0px 0px 5px 5px rgba(255, 255, 255, 0.7);
                /*给元素加阴影*/
            }
            50% {
                transform: translate(-50%, -50%) scale(1.1);
                box-shadow: 0px 0px 30px 5px rgba(255, 255, 255, 0.7);
            }
            100% {
                transform: translate(-50%, -50%) scale(1);
                box-shadow: 0px 0px 5px 5px rgba(255, 255, 255, 0.7);
            }
        }
    </style>

</head>

<body>
    <div></div>
    <img src="images/1.png" alt="">
    <img src="images/2.png" alt="">
</body>

</html>
posted @ 2022-05-21 12:08  lain520  阅读(12)  评论(0)    收藏  举报