@media only screen and (min-width: 0px) and (max-width: 1166px) {
	.topic.three-row,
	.topic.four-row{
		width: 47.5%;
	}
}
@media only screen and (min-width: 0px) and (max-width: 500px) {
	.topic.two-row,
	.topic.three-row,
	.topic.four-row{
		width: 97.5%;
	}
}