.mainTitle{color:#000000;font-size:20px;margin-top:5vw;font-weight:700}.dateStr{color:#575A61;font-size:16;margin-top:5vw}.mainImg{width:100%;border-radius:10px;height:auto;height:170px}.contentTxt{color:#010205;font-size:16px}@media (min-width:768px){.backImg{width:30px}.dateStr{font-size:18px;margin-top:30px}.mainTitle{margin-top:20px;font-size:24px}.mainImg{height:450px}.contentTxt{font-size:18px}}