body {
    @import url(http://fonts.googleapis.com/earlyaccess/nanumgothic.css);
    font-family: 'Nanum Gothic', serif; 
}
/* On small screens, set height to 'auto' for sidenav and grid */
@media screen and (max-width: 767px) {
    .sidenav {
        height: auto;
        padding: 15px;
    }
    .row.content {height:auto;}
}