.post-index {
	-moz-column-count: 2;
	-moz-column-gap: 5px;
	-webkit-column-count: 2;
	-webkit-column-gap: 5px;
	column-count: 2;
	column-gap: 5px;
}

.post-index ul { margin-top: 0; margin-left: 0; margin-right: 0; padding: 0; list-style: none; }
.post-index li { margin: 0; padding: 0 0 0 1em; text-indent: -1em; }