@media screen and (max-width: 640px) {
#logo { max-width: 300px; }
}
 @media screen and (max-width:600px) {
#logo { max-width: 300px; }
}
@media screen and (max-width: 480px) {
#logo { max-width: 300px; }
}
 @media screen and (max-width: 320px) {
#logo { max-width: 300px; }
.c_left span { display: inline; font-size: 12px; }
.c_right { position:absolute; right:10px;}
.copyright{ position:relative}
}