*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

@media only screen and (max-width: 990px) {
    .borTop{
        border-top: 1px solid #dee2e6 !important;
    }
    .borBottom{
        border-bottom: 1px solid #dee2e6 !important;
    }
    .footer{
        top: 230rem;
    }    
}