* {
    font-size: 12px;
    font-family: '맑은 고딕';
    line-height: 1.1;
    color: #333;
}

body {
    margin: 0;
    padding: 0;
}

.clearfix:before,
.clearfix:after {
    display: block;
    content: '';
    line-height: 0;
}

.clearfix:after {
    clear: both;
}

.department-title {
    font-size: 2.5rem;
    width: 1168px;
    margin-top: 40px;
    padding-top: 60px;
    text-align: center;
    border-top: 1px dotted black;
    margin-right: auto;
    margin-left: auto;
}

.department-title:first-child {
    border-top-width: 0;
    margin-top: 0;
}

.semester-title {
    font-size: 1.8rem;
    text-align: center;
}

.subject-container {
    /* display: flex;
    flex-wrap: wrap;
    justify-content: center; */
    width: 1168px;
    padding: 0 0 40px 0;
    margin-right: auto;
    margin-left: auto;
}

.subject {
    width: 250px;
    min-width: 250px;
    text-align: center;
    margin: 10px;
    padding: 10px;
    border: 1px solid black;
    float: left;
}

.subject-title {
    font-size: 1.5rem;
    margin: 0;
    padding-bottom: 5px;
}

.subject-meta {
    font-size: 1.2rem;
    padding-top: 2px;
    padding-bottom: 2px;
    background-color: #ddd;
}

.summary {
    font-size: 1.2rem;
    height: 130px;
    padding-top: 10px;
    text-align: justify;
    overflow: hidden;
    line-height: 1.3;
}

@media screen and (max-width: 1207px) {

    .department-title,
    .subject-container {
        width: 876px;
    }
}

@media screen and (max-width: 935px) {

    .department-title,
    .subject-container {
        width: 584px;
    }
}

@media screen and (max-width: 663px) {

    .department-title,
    .subject-container {
        width: 292px;
    }
}