@charset "UTF-8"; 
/* common */
body.on { overflow: hidden; } 
#wrap { overflow: hidden; } 

/* scroll bar */
body::-webkit-scrollbar { width: 5px; height: 8px; } 
body::-webkit-scrollbar-thumb { border-radius: 50px; background-color: #000; } 
body::-webkit-scrollbar-track { background-color: transparent; }