.content-list {
	padding: 0;
	margin: 0;
	list-style: none;
	display: flex;
	align-items: flex-start;
	justify-content: center;
	margin-top: 75px;
}
.content-item {
	width: 500px;
	height: 350px;
	margin-right: 30px;
	margin-bottom: 30px;
}
.content-item iframe {
	width: 100%;
	height: 100%;
}

@media (min-width: 320px) and (max-width: 480px) {
	.content-list {
		flex-direction: column;
		justify-content: center;
		align-items: center;
	}
	.content-item {

		width: 100%;
		height: 290px;
		margin-right: 0;
	}
}
@media (min-width: 480px) and (max-width: 576px) {
	.content-list {
		justify-content: center;
		align-items: center;
		flex-direction: column;
	}
	.content-item {
		width: 350px;
		height: 290px;
		margin-right: 0;
	}
}
@media (min-width: 576px) and (max-width: 768px) {
	.content-list {
		justify-content: center;
		align-items: center;
		flex-direction: column;
	}
	.content-item {
		width: 450px;
		height: 390px;
		margin-right: 0;
	}
}
@media (min-width: 768px) and (max-width: 920px) {
	.content-list {
		flex-direction: row;
	}
	.content-item {
		width: 320px;
		height: 300px;
		margin-right: 20px;
	}
}
@media (min-width: 920px) and (max-width: 1200px) {
	.content-list {
		flex-direction: row;
	}
	.content-item {
		width: 420px;
		height: 300px;
		margin-right: 30px;
	}
}