.grid-index {
    display: grid;
    grid-template-areas: "description" "login";
}

.grid-item-description {
    grid-area: description;
}
.grid-item-login {
    grid-area: login;
    justify-content: center;
    margin-bottom: auto;
    margin-top: 32px;
}

.grid-item-cookies {
    grid-area: cookies;
    margin-top: 16px;
}

@media (min-width: 768px){
    .grid-index {
        grid-template-areas: "description description description login login";
    }
    .grid-item-login {
        margin-top: 8px;
    }
}