@media (min-width:992px) {
    .header{ position: fixed;background-color: #000000;padding: 20px 60px;}
    .technology_body{ padding-top: 68px;}
}

@media (min-width:768px) and (max-width:991px) {
    .technology_body{ padding-top: 60px;}
}

@media (max-width:767px) {
    .technology_body{ padding-top: 58px;}
}