mixin-column-behavior

@mixin column-behavior($apply-border-box: $apply-border-box, $column-float: $column-float)
{
	@if $column-float {
		display: block;
		float: left;
	}
	@else {
		@include inline-block(top);
		@if $negative-right-margin {
			margin-right: $negative-right-margin !important;
		}
	}

	@if $apply-border-box {
		@include box-sizing('border-box');
	}
}