.main{
    background-image: url(https://i.im.ge/2024/07/30/V4zEvf.china-bg2.jpeg);
    animation:   change 10s infinite ease-in-out;
}
@keyframes change{
    0%
    {
        background-image: url(https://i.im.ge/2024/07/30/V4zEvf.china-bg2.jpeg);
    }
    20%
    {
        background-image: url(https://i.im.ge/2024/07/30/V4zPgq.china-bg6.jpeg);
    }
    40%
    {
        background-image: url(https://i.im.ge/2024/07/30/V4zN0C.china-bg5.jpeg);
    }
    60%
    {
        background-image: url(https://i.im.ge/2024/07/30/V4zmVD.china-bg3.jpeg);
    }
    80%
    {
        background-image: url(https://i.im.ge/2024/07/30/V4z9SM.china-bg4.jpeg);
    }
    100%
    {
        background-image: url(https://i.im.ge/2024/07/30/V4kaYP.china-bg1.jpeg);
    }
}