.header {
    background: url(../img/sample.png) right bottom no-repeat, url(../img/doors/door.png) left bottom no-repeat, #3d4e74;
    color: white;
    padding: 10px 50px 50px;
    border-bottom-left-radius: 100px;
    border-bottom-right-radius: 100px;
}

@media (max-width: 1550px) {
    .header {
        padding: 20px 35px 200px;
    }
}

@media (max-width: 1095px) {
    .header {
        background: url(../img/sample-medium.png) right bottom no-repeat, url(../img/doors/door.png) left bottom no-repeat, #3d4e74;
        padding: 20px 35px 280px;
    }
}

@media (max-width: 536px) {
    .header {
        background: url(../img/sample-small.png) right bottom no-repeat, url(../img/doors/door-medium.png) left bottom no-repeat, #3d4e74;
        padding: 20px 20px 280px;
    }
}

@media (max-width: 480px) {
    .header {
        border-bottom-left-radius: 50px;
        border-bottom-right-radius: 50px;
    }
}