.main{
    background-image: url(https://i.im.ge/2024/07/28/VJ53Hq.Lakes1.jpeg);
    animation:   change 15s infinite ease-in-out;
}
@keyframes change{
    0%
    {
        background-image: url(https://i.im.ge/2024/07/28/VJ53Hq.Lakes1.jpeg);
    }
    20%
    {
        background-image: url(https://i.im.ge/2024/07/28/VJ5bOp.Lakes2.jpeg);
    }
    40%
    {
        background-image: url(https://i.im.ge/2024/07/28/VJ5cmP.Lakes3.jpeg);
    }
    60%
    {
        background-image: url(https://i.im.ge/2024/07/28/VJ5gZ1.Lakes4.jpeg);
    }
    80%
    {
        background-image: url(https://i.im.ge/2024/07/28/VJ5JZx.Lakes5.jpeg);
    }
    100%
    {
        background-image: url(https://i.im.ge/2024/07/28/VJ5Rof.Lakes6.jpeg);
    }
}