Template:Portal styles/styles.css

.portal-column-left {
	float: left;
	width: 50%;
}
.portal-column-right {
	float: right;
	width: 49%;
}
.portal-column-left-wide {
	float: left;
	width: 60%;
}
.portal-column-right-narrow {
	float: right;
	width: 39%;
}
.portal-column-left-extra-wide {
	float: left;
	width: 70%;
}
.portal-column-right-extra-narrow {
	float: right;
	width: 29%;
}
@media only screen and (max-width: 800px) {
	.portal-column-left,
	.portal-column-right,
	.portal-column-left-wide,
	.portal-column-right-narrow,
	.portal-column-left-extra-wide,
	.portal-column-right-extra-narrow {
		float: inherit;
		width: inherit;
	}
}