纯CSS下雨动画特效

这是一款纯CSS下雨动画特效。该纯CSS下雨动画特效通过最简单的CSS代码，实现非常逼真的下雨效果，非常炫酷。

使用方法

HTML代码

<div class="m_header">
    <div class="header__rain"></div>
    <h1 class="header__title">CSS-only Rain Effect<h1>
</div>
		

CSS代码

html,
body {
    padding: 0;
    margin: 0;
}

html {
    font-size: 62.5%;
}

body {
    font-size: 1.4rem;
}

.m_header {
    position: relative;
    display: flex;
    width: 100%;
    height: 100vh;
    align-items: center;
    justify-content: center;
    background-image: linear-gradient(rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.9)), url(../img/pexels-photo-751005.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    overflow: hidden;
}

.m_header .header__rain {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 9;
    width: 100%;
    height: 100%;
    background: url(../img/rain.png);
    -webkit-animation: rain 0.3s linear infinite;
    animation: rain 0.3s linear infinite;
}

.m_header .header__title {
    font-family: "Montserrat", sans-serif;
    font-size: 5rem;
    font-weight: 400;
    color: #fff;
}

@-webkit-keyframes rain {
    0% {
        background-position: 0 0;
    }

    100% {
        background-position: 15rem 50rem;
    }
}

@keyframes rain {
    0% {
        background-position: 0 0;
    }

    100% {
        background-position: 15rem 50rem;
    }
}

		

codepen网址：https://codepen.io/alexdevio/pen/poPyvYY