css 질문

</p><p>ul#nav ul.me2 { display:none;}</p><p>ul#nav li:hover > ul.me2 { position:absolute; list-style: none;  display:block; top:0px; left:270px; width: 130px; height:100%;  background: #004317; z-index:1000; padding:0; margin:0;} </p><p> </p><p> </p><p><span style="line-height: 1.5;"><ul id="nav"></span></p><p><span class="Apple-tab-span" style="white-space: pre;">				</span><li class="over"><a href="#"><img src="<?php echo G5_URL ?>/webimg/menu01_off.png" onmouseover='this.src="<?php echo G5_URL ?>/webimg/menu01_on.png"' onmouseout='this.src="<?php echo G5_URL ?>/webimg/menu01_off.png"'></a></p><p><span class="Apple-tab-span" style="white-space: pre;">					</span></p><p><span class="Apple-tab-span" style="white-space: pre;">					</span><ul class="me2"></p><p> </p><p><span class="Apple-tab-span" style="white-space: pre;">						</span><li><a href="#">서브메뉴</a></li></p><p> </p><p><span class="Apple-tab-span" style="white-space: pre;">					</span></ul></p><p><span class="Apple-tab-span" style="white-space: pre;">			</span></p><p><span class="Apple-tab-span" style="white-space: pre;">				</span></li></p><p><span class="Apple-tab-span" style="white-space: pre;">			</span></p><p><span class="Apple-tab-span" style="line-height: 1.5; white-space: pre;">			</span><span style="line-height: 1.5;"></ul></span> </p><p>