:root{
            --container-width: auto;
        }
        @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;
            }
        }