/* CSS Document */ #container .main_image { background-image: url(../images/product_detail/main_img.png); } #contents { margin-bottom: 165px; } #contents h2 { margin: 0 0 31px; } .list-video{ display: flex; justify-content: space-between; } .list-video .post-video{ width: calc(50% - 15px); } .list-video .post-video iframe{ width: 100%; }