.section {position: relative; } .alert {position: absolute;top: 200px;z-index: 100;width: 100%;max-width: 1300px;transform: translateX(-50%);left: 50%; } .main .section:first-child.slides {margin-top: -9.375rem; } @media (max-width: 991.98px) {.main .section:first-child.slides {margin-top: -6.25rem;} } .main .section:first-child.videos {margin-top: -9.375rem; } @media (max-width: 991.98px) {.main .section:first-child.videos {margin-top: -6.25rem;} }