body {background: #f8f8f8;}
.sub_top {padding:280px 0px 20px; border-bottom:1px solid #ddd; background: #fff;}
.sub_content {padding:150px 0px 200px;}
.sub_title {margin:0px auto 300px;}
.sub_content h4 {font-size:24px; line-height: 1.5; margin-bottom:100px;}

.subject {width:320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;}

@media (max-width: 768px){
    .sub_top {padding:80px 0px 10px;}
    .sub_title {margin:0px auto 80px;}
    .sub_content {padding:80px 0px;}
    .sub_content h4 {font-size:18px; margin-bottom:20px;}
}