.full-vertical-intro{
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    height: 100vh;
    height: calc(100vh - 59px);
    color: #e0e0e0; 
}
@media(min-width: 992px){
    .full-vertical-intro{
        height: calc(100vh - 173px);
    }
}