純CSS下拉菜單在IE8中不能正常顯示

Question

我的純CSS下拉菜單適用於除IE8以外的所有主流瀏覽器。有兩個問題。

1）直到鼠標滑過其中一個菜單項時，菜單的背景顏色纔會顯示。 （見下文鏈接照片）

http://www.searchtransparency.net/stackoverflow/2.jpg

2）如果該菜單是從父鏈接結束（處理）它離開顯示背景的縮短版本。 （見下面的鏈接圖片）

http://www.searchtransparency.net/stackoverflow/1.PNG

CSS：

.menu, 
.menu ul, 
.menu li, 
.menu a { 
    margin: 0; 
    padding: 0; 
    border: none; 
    outline: none; 
    z-index:3; 
} 
.menu { 
    height: 53px; 
    width: 994px; 
} 
.menu li { 
    position: relative; 
    list-style: none; 
    float: left; 
    display: block; 
    height: 38px; 
    padding-top: 15px; 
} 
.menu li a { 
    display: block; 
    padding-left: 44px; 
    padding-right: 44px; 
    -webkit-transition: color .2s ease-in-out; 
    -moz-transition: color .2s ease-in-out; 
    -o-transition: color .2s ease-in-out; 
    -ms-transition: color .2s ease-in-out; 
    transition: color .2s ease-in-out; 
    margin-top: 0px; 
    margin-right: 0; 
    margin-bottom: 0px; 
    margin-left: 0; 
    padding-top: 0; 
    padding-bottom: 0; 
} 
.menu li:first-child a { border-left: none; } 
.menu li:last-child a{ border-right: none; } 
.menu li:hover > a { color:#CCC; } 
.menu ul { 
    position: absolute; 
    top: 53px; 
    left: 0; 
    opacity: 0; 
    -webkit-border-radius: 0 0 5px 5px; 
    -moz-border-radius: 0 0 5px 5px; 
    border-radius: 0 0 5px 5px; 
    -webkit-transition: opacity .25s ease .1s; 
    -moz-transition: opacity .25s ease .1s; 
    -o-transition: opacity .25s ease .1s; 
    -ms-transition: opacity .25s ease .1s; 
    transition: opacity .25s ease .1s; 
    -webkit-box-shadow: 0px 0px 5px 0px #333; 
    box-shadow: 0px 0px 5px 0px #333; 
    background-color: #222; 
    padding-bottom: 15px; 
    visibility: hidden; 
    behavior: url(PIE.htc); 
} 
.menu li:hover > ul { 
    opacity: 1; 
    visibility: visible; 
} 
.menu ul li { 
    height: 0; 
    overflow: hidden; 
    padding: 0; 
    -webkit-transition: height .25s ease .1s; 
    -moz-transition: height .25s ease .1s; 
    -o-transition: height .25s ease .1s; 
    -ms-transition: height .25s ease .1s; 
    transition: height .25s ease .1s; 
} 
.menu li:hover > ul li { 
    height: 25px; 
    overflow: visible; 
} 
.menu ul li a { 
    width: 175px; 
    margin: 0; 
    font-size: 12px; 
    text-shadow: none; 
    border: none; 
    padding-left: 25px; 
    height: 20px; 
    padding-top: 5px; 
} 
.menu ul li:last-child a { border: none; } 
.menu li li:hover > a { 
    background-color: #666; 
} 

HTML：

<ul class="menu"> 
    <li><a href="index.html" title="Home"><img src="images/icon-home.png" alt="Home" width="18" height="18" border="0"></a></li> 
    <li><a href="meet-the-doctor.html" title="Meet The Doctor">Meet The Doctor</a></li> 
    <li class="icon-dropdown-arrow"><a href="#" title="Treatments">Treatments</a> 

     <ul> 
      <li style="font-size:14px; padding-left:15px; padding-top:10px; margin-top:10px;">Skin Resurfacing</li> 
      <li><a href="fraxel-restore.html" title="Fraxel Restore">Fraxel&reg; Restore</a></li> 
      <li style="font-size:14px; padding-left:15px; padding-top:10px; margin-top:0px;">Skin Tightening</li> 
      <li><a href="thermage.html" title="Thermage">Thermage&reg;</a></li> 
      <li><a href="refirme-photo-rejuvenation.html" title="Refirme Photo-Rejuvenation">Refirme&reg; Photo-Rejuvenation</a></li> 
      <li style="font-size:14px; padding-left:15px; padding-top:10px; margin-top:0px;">Cellulite Treatments</li> 
      <li><a href="lpg-lipomassage.html" title="LPG Lipomassage">LPG Lipomassage&trade;</a></li> 
      <li><a href="velashape.html" title="VelaShape">VelaShape&trade;</a></li> 
      <li><a href="thermage.html" title="Thermage">Thermage&reg;</a></li> 
      <li><a href="ionithermie-treatment.html" title="Ionithermie Treatment">Ionithermie Treatment</a></li> 
      <li style="font-size:14px; padding-left:15px; padding-top:10px; margin-top:0px;">Injectibles</li> 
      <li><a href="dermal-fillers.html" title="Dermal Fillers">Dermal Fillers</a></li> 
      <li><a href="botox-cosmetic.html" title="Botox Cosmetic">Botox&reg; Cosmetic</a></li> 
      <li style="font-size:14px; padding-left:15px; padding-top:10px; margin-top:0px;">Other</li> 
      <li><a href="laser-hair-removal.html" title="Laser Hair Removal">Laser Hair Removal</a></li> 
      <li><a href="skin-treatments.html" title="Skin Treatments (Face &amp; Body)">Skin Treatments (Face &amp; Body)</a></li> 
      <li><a href="skin-rejuvenation.html" title="Skin Rejuvenation">Skin Rejuvenation</a></li> 
      <li><a href="plastic-surgery.html" title="Plastic Surgery">Plastic Surgery</a></li> 
      <li><a href="massage.html" title="Massage">Massage</a></li> 
     </ul> 

    </li> 
    <li><a href="specials.html" title="Specials">Specials</a></li> 
    <li><a href="reviews.html" title="Reviews">Reviews</a></li> 
    <li><a href="contact.html" title="Contact">Contact</a></li> 
</ul> 

Code on JsFiddle.net

Answer 1

• 正如我記得IE瞭解：只爲「a」標籤懸停只有。
• ：最後一個孩子並不支持太多，question about :last-child