@media all and (min-width:1025px) 
{
.bb1{font-family:NanumGothic;font-weight:bold;color:#fff;font-size:16px;line-height:1.5;}
.bb2{font-family:NanumGothic;font-weight:normal;color:#fff;font-size:11px;line-height:1.5;}
.bb3{font-family:NanumGothic;font-weight:normal;color:#fff;font-size:11px;line-height:1.5;display:block;border:1px solid #fff;padding:10px;text-align:center;}
}

@media all and (min-width:320px) and (max-width:767px)
{
.bb1{font-family:NanumGothic;font-weight:bold;color:#fff;font-size:11px;line-height:1.5;}
.bb2{font-family:NanumGothic;font-weight:normal;color:#fff;font-size:11px;line-height:1.5;}
.bb3{font-family:NanumGothic;font-weight:normal;color:#fff;font-size:11px;line-height:1.5;display:block;border:1px solid #fff;padding:10px;text-align:center;}
}