@media screen and (min-width:1920px) {
    .bg-1 {
        background-size: 100% 100%;
    }
    .bg-3 {
        background-size: 100% 100%;
    }
    .bg-5 {
        background-size: 100% 100%;
    }
    .para {
        padding-top:300px;
    }
}