@media only screen and (max-width: 980px) and (min-width: 300px) {
    .cd {
        height: auto;
    }
        .cd .t1 {
            float:initial;
        }
        .cd ul {
            float: initial;
        }
            .cd ul li {
                float: initial;
                border-bottom: 2px solid #f2f2f2;
            }
                .cd ul li a {
                    display:block;
                }
}