@media only screen and (min-width: 992px) {
    .width-90{
        width: 90%;
    }

    .displayUnder{
        display: none;
    }
}

@media only screen and (max-width: 991px) {
    .userName{
        display: flex;
        justify-content: center;
    }

    .displayOver{
        display: none;
    }
}