@media screen and (min-width: 640px) {
.문서-상자-2단 .fw-docbox {
width: 50%;
float: left;
box-sizing: border-box;
}
.문서-상자-2단 .fw-docbox:nth-child(4n-2) {
clear: both;
padding-right: 1.4rem;
}
.문서-상자-2단 .fw-docbox:nth-child(4n) {
padding-left: 1.4rem;
}
.문서-상자-2단:after {
content: "";
display: block;
clear: both;
}
}