.main{
    background-image: url(https://i.im.ge/2024/07/30/V4SRdh.fall-7605210-1920.jpeg);
    animation:   change 10s infinite ease-in-out;
}
@keyframes change{
    0%
    {
        background-image: url(https://i.im.ge/2024/07/30/V4SRdh.fall-7605210-1920.jpeg);
    }
    20%
    {
        background-image: url(https://i.im.ge/2024/07/30/V4d7TF.pexels-arktravelogue-4620429.jpeg);
    }
    40%
    {
        background-image: url(https://i.im.ge/2024/07/30/V4dmR4.pexels-phreewil-535431.jpeg);
    }
    60%
    {
        background-image: url(https://i.im.ge/2024/07/30/V4d9FY.pexels-megapixel-1481581.jpeg);
    }
    80%
    {
        background-image: url(https://i.im.ge/2024/07/31/VBJZrM.pexels-dustin-cox-43327-159884.jpeg);
    }
    100%
    {
        background-image: url(https://i.im.ge/2024/07/30/V42k7x.pexels-wendywei-2758744.jpeg);
    }
}