#contents {
    padding-bottom: 35px;
}

h3 {
    text-align: center;
    padding: 0px 0;
    margin: 10px 0;
}

.search_box_wrap {
    width: 100%;
}

.search_box {
    padding: 45px 10px 35px 10px;
    max-width: 700px;
    margin: 0 auto;
}

hr {
    border: none;
    border-top: solid 1px #ccc;
    height: 1px;
    color: #fff;
    padding: 0;
    margin: 5px 0;
}

@media screen and (min-width: 700px) {
    #contents {
        padding-bottom: 80px;
    }

    .search_box div {
        float: left;
        width: 226px;
    }

    .search_box div.category,
    .search_box div.sort {
        padding-right: 10px;
    }

    h3 {
        padding: 10px 0;
        margin: 10px 0;
    }

    hr {
        margin: 15px 0;
    }
}