@media only screen and (max-width: 1024px) {	.rss-item {		width: 100%;	}		.rss-list-main {		flex: 1;	}	.rss-list-viewed .rss-item {		width: 50%;	}}@media only screen and (max-width: 640px) {	.rss-container-content {		flex-direction: column-reverse;		align-items: flex-start;	}	.rss-list-top {		flex: 1;		padding-left: 0px;		border: none;	}	.rss-list-viewed .rss-item {		width: 100%;	}}