CSS: Clearing (from Skeleton)

gistfile1

/* CLEARING
============================================================================ */
/* Self Clearing Goodness */
.container:after { content: "\0020"; display: block; height: 0; clear: both; visibility: hidden; }

/* Use clearfix class on parent to clear nested columns,
or wrap each row of columns in a <div class="row"> */
.clearfix:before,
.clearfix:after,
.row:before,
.row:after {
	content: '\0020';
	display: block;
	overflow: hidden;
	visibility: hidden;
	width: 0;
	height: 0;
}
.row:after,
.clearfix:after {
	clear: both;
}
.row,
.clearfix {
	zoom: 1;
}

/* You can also use a <br class="clear" /> to clear columns */
.clear {
  clear: both;
  display: block;
  overflow: hidden;
  visibility: hidden;
  width: 0;
  height: 0;
}

hr.clear {
	margin: 0;
	border: 0;
}