.main-header {
    background: url('/media/205744/perfomancelabbanner.jpg') 50% 50% no-repeat;
    background-size: cover;
}

.dropdown-btn--download {
    margin-top: 20px;
}

@media screen and (max-width: 814px) {
    .main-header__title {
        margin-bottom: 60px ;
    }
}

@media screen and (max-width: 480px) {
    .main-header__title {
        margin-bottom: 70px;
    }
}