.body {
	background-color: #333;
}

.container {
	width: 1200px;
	margin: 20px auto;
	padding-top: 20px;
	padding-bottom: 20px;
	columns: 4;
	column-gap: 40px;
} 

.container .box {
	width: 100%;
	margin: 0 0 20px;
	padding: 10px;
	background: #fff;
	overflow: hidden;
	break-inside: avoid;
}

.container .box img {
	max-width: 100%;

}


@media (max-width: 1200px) {
	.container {
		columns: 3;
		width: calc(100% - 40px);
		box-sizing: border-box;
		padding: 20px 20px 20px 0;

	}
}

@media (max-width: 768px) {
	.container {
		columns: 2;
	}
}

@media (max-width: 480px) {
	.container {
		columns: 1;
	}
}