.main{
    background-image: url(https://i.im.ge/2024/07/30/V4SUVW.corozal-7469107-1920.jpeg);
    animation:   change 10s infinite ease-in-out;
}
@keyframes change{
    0%
    {
        background-image: url(https://i.im.ge/2024/07/30/V4SUVW.corozal-7469107-1920.jpeg);
    }
    20%
    {
        background-image: url(https://i.im.ge/2024/07/30/V4SpIp.kingfisher-4695419-1920.jpeg);
    }
    40%
    {
        background-image: url(https://i.im.ge/2024/07/30/V4SHQq.canoe-7101195.jpeg);
    }
    60%
    {
        background-image: url(https://i.im.ge/2024/07/30/V42Bl6.tiger.jpeg);
    }
    80%
    {
        background-image: url(https://i.im.ge/2024/07/30/V42KcL.romania-2739007-1920.jpeg);
    }
    100%
    {
        background-image: url(https://i.im.ge/2024/07/30/V4STDX.wood-bridge-4620942-1280.jpeg);
    }
}