#artist section {
	display:flex;
}

#artist ul.first {
	width:60%;
}

#artist ul li {
	width:48%;
	margin:1%;
	position:relative;
}

#artist ul.timetable {
	width:40%;
}

#artist ul.timetable li{
	width:100%;
}



@media screen and (max-width:767px){
	#artist section {
		display:block;
	}

	#artist ul.first,
	#artist ul.timetable {
		width:100%;
	}

}