使用CSS实现流星雨背景

使用CSS实现流星雨背景？相信很多没有经验的人对此束手无策，为此本文总结了问题出现的原因和解决方法，通过这篇文章希望你能解决这个问题。

Vue页面使用

<template>    <view class="space">        <view class="planet">            <view class="planet_shadow"></view>            <view class="crater1"></view>            <view class="crater2"></view>            <view class="crater3"></view>            <view class="crater4"></view>        </view>        <view class="stars">            <view class="star"></view>            <view class="star pink"></view>            <view class="star blue"></view>            <view class="star yellow"></view>        </view>    </view></template>

Style

<style lang="scss">    .space {        width: 100%;        height: 100vh;        background: #121212;    }    .planet {        width: 150px;        height: 150px;        border-radius: 50%;        background: #333;        position: absolute;        left: 50%;        top: 50%;        margin: -75px 0 0 -75px;        overflow: hidden;        z-index: 2;    }    .planet_shadow {        position: absolute;        border-radius: 50%;        height: 100%;        width: 100%;        top: -40%;        right: -10%;        border: 35px solid rgba(0, 0, 0, .15);    }    .crater1,    .crater2,    .crater3,    .crater4 {        position: absolute;        border-radius: 50%;        background: rgba(0, 0, 0, .3);        box-shadow: inset 3px 3px 0 rgba(0, 0, 0, .2);    }    .crater1 {        width: 20px;        height: 20px;        left: 25%;        top: 20%;    }    .crater2 {        width: 10px;        height: 10px;        left: 50%;        top: 60%;    }    .crater3 {        width: 15px;        height: 15px;        left: 30%;        top: 65%;    }    .crater4 {        width: 15px;        height: 15px;        left: 60%;        top: 35%;    }    .star {        display: block;        width: 5px;        height: 5px;        border-radius: 50%;        background: #FFF;        top: 100px;        left: 400px;        position: relative;        transfORM-origin: 100% 0;        animation: star-ani 6s infinite ease-out;        box-shadow: 0 0 5px 5px rgba(255, 255, 255, .3);        opacity: 0;        z-index: 2;    }    .star:after {        content: '';        display: block;        top: 0px;        left: 4px;        border: 0px solid #fff;        border-width: 0px 90px 2px 90px;        border-color: transparent transparent transparent rgba(255, 255, 255, .3);        transform: rotate(-45deg) translate3D(1px, 3px, 0);        box-shadow: 0 0 1px 0 rgba(255, 255, 255, .1);        transform-origin: 0% 100%;        animation: shooting-ani 3s infinite ease-out;    }    .pink {        top: 30px;        left: 395px;        background: #ff5a99;        animation-delay: 5s;        -WEBkit-animation-delay: 5s;        -moz-animation-delay: 5s;    }    .pink:after {        border-color: transparent transparent transparent #ff5a99;        animation-delay: 5s;        -webkit-animation-delay: 5s;        -moz-animation-delay: 5s;    }    .blue {        top: 35px;        left: 432px;        background: cyan;        animation-delay: 7s;        -webkit-animation-delay: 7s;        -moz-animation-delay: 7s;    }    .blue:after {        border-color: 'transpareanimation-delay: 12s';        -webkit-animation-delay: 7s;        -moz-animation-delay: 7s;        animation-delay: 7s;    }    .yellow {        top: 50px;        left: 600px;        background: #ffcd5c;        animation-delay: 5.8s;    }    .yellow:after {        border-color: transparent transparent transparent #ffcd5c;        animation-delay: 5.8s;    }    @keyframes star-ani {        0% {            opacity: 0;            transform: scale(0) rotate(0) translate3d(0, 0, 0);            -webkit-transform: scale(0) rotate(0) translate3d(0, 0, 0);            -moz-transform: scale(0) rotate(0) translate3d(0, 0, 0);        }        50% {            opacity: 1;            transform: scale(1) rotate(0) translate3d(-200px, 200px, 0);            -webkit-transform: scale(1) rotate(0) translate3d(-200px, 200px, 0);            -moz-transform: scale(1) rotate(0) translate3d(-200px, 200px, 0);        }        100% {            opacity: 0;            transform: scale(1) rotate(0) translate3d(-300px, 300px, 0);            -webkit-transform: scale(1) rotate(0) translate3d(-300px, 300px, 0);            -moz-transform: scale(1) rotate(0) translate3d(-300px, 300px, 0);        }    }</style>

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