openpower.foundation/themes/openpowerfoundation/assets/css/footer.scss

.footer {
    padding: 3.75rem 0 7.5rem;

    @media screen and (max-width: $lg) {
        padding: 2.35rem 0 2.5rem;
     }

     @media screen and (min-width:$lg) and (max-width: $xl) {
        padding: 3.75rem 0 4.5rem;
   }

    color: #fff;
    background-color: #02123e; 
}