.tb {
    margin-top: 10px;
}


.tb-row {
    position: relative;
    padding: 20px 0px;
    border-bottom: 3px solid #F5F5F5;
}


.tb-ttl {
    font-size: 17px;
    font-weight: bold;
    color: #53AFBD;
    display: inline-block;
    width: 100%;
    max-width: 660px;
}

.tb-ttl:hover {
    text-decoration: underline;
    color: #308f9d;
}

.tb-desc {
    margin-top: 15px;
    font-size: 13px;
    color: #444;
}

.tb-categories {
    margin-top: 15px;
}

.tb-category {

    background-color: #FEF5D5;
    color: #666;
    padding: 5px 10px;
    border-radius: 5px;
    margin-right: 5px;
    font-size: 12px;
    display: inline-block;
    border: 1px solid #ccc;
}

.tb-links {
    position: absolute;
    right: 0;
    top: 15px;
}

.tb-link {
    display: inline-block;
    float: left;
    width: 22px;
    height: 22px;
    margin-left: 12px;
}

.tb-link img {
    width: 100%;
}

@media (max-width: 768px) {

    .tb-ttl {
        font-size: 14px;
    }

    .tb-category {
        font-size: 11px;
    }

    .tb-link {
        width: 19px;
        height: 19px;
    }

    .tb-desc {
        font-size: 11px;
        line-height: 175%;
    }

    .tb-row {
        padding: 20px 20px 20px 0px;
    }

    .tb-header {
        padding: 6px 3px;
        font-size: 12px;
    }
}