.footer {
     background-color: #B00000;
     color: aliceblue;
 }

 .list-footer li {
     list-style: none;
     margin-bottom: 10px;
     color: white;
 }

 .list-footer li a {
     color: white;
     text-decoration: none;

 }

 .list-footer li a:hover {
     text-decoration: underline;
 }

   @media (max-width: 767.98px) {
    .footer .row>div:first-child {
            flex: 0 0 100%;
            max-width: 100%;
        }
    
        .footer .row>div:not(:first-child) {
            flex: 0 0 50%;
            max-width: 50%;
        }
    }