:root{
        --container-width: 100%;
    }
    @media (min-width:576px) {
        :root{
            --container-width: 540px;
        }
    }
    @media (min-width:768px) {
        :root{
            --container-width: 760px;
        }
    }
    @media (min-width:992px) {
        :root{
            --container-width: 960px;
        }
    }
    @media (min-width:1200px) {
        :root{
            --container-width: 1200px;
        }
    }
    @media (min-width:1600px) {
        :root{
            --container-width: 1200px;
        }
    }