.greet{
    font-family: 'Nanum Gothic', serif;
    font-size:15px;
    color:#555;
    margin:10px;
    overflow:hidden;
    text-align:justify;
    line-height:1.6em;
}
.greet img {margin-bottom:20px;}
.greet h3{margin-bottom:20px;}
.greet p span{float:right;}
.greet p span b{
    font-size:20px;
    display:inline-block;
    margin-left:10px;
}
/* tablet */
@media screen and (min-width:769px) and (max-width:991px){
}

/* mobile */
@media screen and (max-width:768px){
}