.board_btn{
    background: #222222;
    border-color: #222222;
    color: #ffffff;
    font-weight: 500;
}
.business_top_img img{
    width: 100%;
}

.board_zone_sub {padding: 20px; border-bottom: 1px solid #dbdcde; text-align:center;}
.board_zone_sub p {font-size: 12px; line-height:1.8;}
.board_zone_sub p > span {font-size: 12px; font-weight:bold; text-decoration: underline;}