animation动画:奔跑的北极熊

奔跑的北极熊

  • 效果图
    (模仿以前百度浏览器背景制作)
    animation动画:奔跑的北极熊_第1张图片

  • 实现代码
    html部分

<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Documenttitle>
    <link rel="stylesheet" href="./css/index.css">
head>

<body>
    <div class="animation_div">
        <div class="bear">div>
        <div class="snowbery">div>
        <div class="mountain">div>
    div>
body>

html>

css部分

* {
    margin: 0;
    padding: 0;
}

body {
    background-color: #CCC;
}

.animation_div {
    position: fixed;
    bottom: 0;
    width: 100%;
}

@keyframes bear {
    0% {}
    100% {
        background-position: -1600px 0;
    }
}

@keyframes move_center {
    0% {}
    100% {
        left: 50%;
        transform: translateX(-50%);
    }
}

.bear {
    position: absolute;
    bottom: 0;
    z-index: 3;
    left: 0;
    margin-bottom: 15px;
    height: 100px;
    width: 200px;
    background: url(../imgs/bear.png) no-repeat;
    animation: bear .8s steps(8) 0s infinite, move_center 4s ease-out 0s forwards;
}

@keyframes snowbery {
    0% {}
    100% {
        background-position: -3840px 0;
    }
}

.snowbery {
    position: absolute;
    bottom: 0;
    z-index: 2;
    width: 100%;
    height: 336px;
    background: url(../imgs/snowbery.png) repeat-x;
    animation: snowbery 10s linear 0s infinite;
}

@keyframes mountain {
    0% {}
    100% {
        background-position: -3840px 0;
    }
}

.mountain {
    position: absolute;
    bottom: 0;
    z-index: 1;
    width: 100%;
    height: 569px;
    background: url(../imgs/mountain.png) repeat-x;
    animation: mountain 10s linear 0s infinite;
}

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