How to make dynamic visual difference background (h5)

When making a website, you may use the visual difference effect

As shown

The visual difference effect will be used when making a web page It has a very cool effect. Today we are going to talk about how to present dynamic visual difference

The effect is as shown in the picture:

The production method first requires a visual difference plug-in

The plug-in I use is a relatively popular visual difference plug-in

Import these three css After file, you can modify the picture in style

Just modify the picture to the specified gif

Introduced below Use the plug-in method

Choose a gif

Use PS to simply crop a large gif image, and cut out two sides according to the proportion

#bei1{
    position: fixed;  　　//首先进行定位，相对浏览器定位，定在一左一右
    left: 0px;　　　　//通过调整左右距离定在屏幕左右
    z-index: -1;　　　　//调整z-index使其置入最底层
    width: 13%;　　　　//合理调整宽度，使图片高度超过目前市面上绝大多数的屏幕高度
    img{
        width: 100%;　　　　//改变图片宽度为100%
        min-height: 1080px;　　　　//这里是为了防止高度不足，设定的最小高度
    }
}
#bei2{
    position: fixed;
    right: 0px;
    z-index: -1;
    width: 13%;
    img{
        width: 100%;
        min-height: 1080px;
    }
}

Display the main content in the center of the screen and cover the edges

#zuopinx{
    width: 80%;　　　　//主要内容宽度
    background-color: #EEEEEE;
    position: relative;
    margin: 0 auto;　　　　//居中
    margin-top: 80px;
    z-index: 15;
    padding-top: 40px;
    padding-bottom: 40px;
    display: flex;
    flex-wrap:wrap;
    justify-content: space-around;
}

The effect is direct It can be expressed

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