�出指定的容器边界。</dd>
				<dt><a href="../../values/length/length.htm">&lt;length&gt;</a>：</dt>
				<dd>用长度值指定行高。不允许负值。</dd>
				<dt><a href="../../values/numeric/percentage.htm">&lt;percentage&gt;</a>：</dt>
				<dd>用百分比指定行高，其百分比基于文本的<a href="../font/font-size.htm" class="g-property">font-size</a>进行换算。不允许负值。</dd>
				<dt><a href="../../values/numeric/number.htm">&lt;number&gt;</a>：</dt>
				<dd>�