@media screen and (min-width: 1200px) and (min-height: 800px) {
    .carousel-caption-div h3 {
        /*margin-top: 300px*/
    }
}

@media screen and (min-width: 771px) and (max-width: 1300px) {
    header#header {
        padding: 20px 30px 0 30px;
    }
}