.table table tbody tr td:first-child { text-align: left; }
.table tbody tr, #content .class-professor-wrap ul li { position: relative; }
.link_box { position: absolute; top: 0; left: 0; z-index: 1; width: auto; width: 100%; height: 100%; font-size: 0; color: transparent; display: flex; display: -webkit-flex; display: -ms-flexbox; }
.table tbody tr.on td { background-color: #f5f5f5; font-weight: bold; }
#content .class-professor-wrap ul li.on .professor-list { border-color: #0094fb; }