@charset "utf-8";
.manual {
    width: 30%;
    margin: 10px 35%;
    text-align: center;
    background: #d80b2a;
    color: #000;
}

    .manual span {
        height: 50px;
        line-height: 50px;
    }

        .manual span a {
            color: #fff;
            font-weight: bold;
        }
@media screen and (max-width: 960px) {
    .manual {
        width: 50%;
        margin: 10px 25%;
    }
}