ul.infoDetail {
    border: 1px solid #666;
    border-radius: 4px;
    list-style: none;
    margin: 15px auto;
    padding: 25px 25px;
    box-sizing: border-box;
}
    ul.infoDetail li.infoTit {
        font-size: 1.2em;
        font-weight: bold;
    }
    ul.infoDetail li.infoDate {
        border-bottom: 1px dashed #666;
        padding: 10px 0;
        text-align: right;
    }
    ul.infoDetail li.infoContents {
        padding-top: 15px;
    }

@media (max-width: 959px) {
    ul.infoDetail {
        padding: 20px 15px;
        width: 95%;
    }
}