#c2 {
}
#c3 {
	margin: 100px auto 200px auto;
}
@media screen and (min-width: 469px) and (max-width: 768px){
#c2 {
}
#c3 {
}
}
@media screen and (max-width: 468px){
#c2 {
}
#c3 {
}
}