@media screen and (max-width: 1310px) {
    .empty {
        height: 180px !important;
    }
}
@media screen and (min-width: 750px) and (max-width: 1100px) {
    .empty {
        height: 230px !important;
    }
}
@media screen and (max-width: 400px) {
    ul {
        padding-left: 40px;
    }
    section h3, section h4 {
        padding-left: 20px;
        width: 100%;
        text-align: left;
    }
}