#gdpr {
    position: fixed;
    bottom: 0;
    left: 15%;
    padding: 25px 15px;
    background: rgba(0,0,0,.7);
    width: 70%;
    color: #FFF;
    z-index: 1;
}
@media (max-width: 768px){
    #gdpr {
        left: 0;
        width: 100%;
    }
}