SS3</td>
						<td>无</td>
						<td>设置或检索对象的列数</td>
					</tr>
					<tr>
						<td><a href="column-gap.htm" class="g-color-css3-new">column-gap</a></td>
						<td>CSS3</td>
						<td>无</td>
						<td>设置或检索对象的列与列之间的间隙</td>
					</tr>
					<tr>
						<td><a href="column-rule.htm" class="g-color-css3-new">column-rule</a></td>
						<td>CSS3</td>
						<td>无</td>
						<td>设置或检索对象的列与列之间的边框。复合属性</td>