纯css下拉菜单，可以设置下拉菜单为多列

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<DIV class=menu-bar>
<UL class=main-menu>
<LI class=topLevel style="WIDTH: 139px"><A
href="engagement-rings-wedding/566/">BRIDAL
GALLERY</A>
<DIV class=sub-menu>
<TABLE>
<TBODY>
<TR>
<TD vAlign=top>
<UL>
<LI class=sub-menu-li nowrap><A
href="sc-engagement-rings_76/"
nowrap>Engagement Rings</A>
<LI class=sub-menu-li nowrap><A
href="sc-wedding-sets_82/"
nowrap>Wedding Sets</A>
<LI class=sub-menu-li nowrap><A
href="sc-multi-stone_261/"
nowrap>Multi Stone Rings</A>
<LI class=sub-menu-li nowrap><A
href="sc-three-stone_137/"
nowrap>Three Stone Rings</A>
<LI class=sub-menu-li nowrap><A
href="sc-solitaire_78/"
nowrap>Solitaire Rings</A>
<LI class=sub-menu-li nowrap><A
href="sc-engagement-rings_76/sts-round_686/"
nowrap>Round Diamonds</A> </LI></UL></TD>
<TD vAlign=top>
<UL>
<LI class=sub-menu-li nowrap><A
href="sc-engagement-rings_76/sts-princess_687/"
nowrap>Princess Diamonds</A>
<LI class=sub-menu-li nowrap><A
href="sc-engagement-rings_76/sts-marquise_689/"
nowrap>Marquise Diamonds</A>
<LI class=sub-menu-li nowrap><A
href="wedding-rings/524/"
nowrap>Wedding Bands</A>
<LI class=sub-menu-li nowrap><A
href="anniversary-jewelry/449/"
nowrap>Anniversary Rings</A>
<LI class=sub-menu-li nowrap><A
href="sc-engagement-rings_76/so-bestsellers/"
nowrap>Top Selling</A>
<LI class=sub-menu-li nowrap><A
href="sc-engagement-rings_76/so-ratings_i.avgRating%20DESC/"
nowrap>Top Rated</A> </LI></UL></TD></TR></TBODY></TABLE></DIV></LI>
<LI class=topLevel style="WIDTH: 77px"><A
href="rings/19/">RINGS</A>
<DIV class=sub-menu>
<TABLE>
<TBODY>
<TR>
<TD vAlign=top>
<UL>
<LI class=sub-menu-li nowrap><A
href="c-rings_35/s-diamond_63/g-for-her_151+338/"
nowrap>Diamond Rings</A>
<LI class=sub-menu-li nowrap><A
href="c-rings_35/s-gemstone_~63+~66+~452+~363+~58+~64+~483/"
nowrap>Gemstone Rings</A>
<LI class=sub-menu-li nowrap><A
href="c-rings_35/sc-promise_84/"
nowrap>Promise Rings</A>
<LI class=sub-menu-li nowrap><A
href="c-rings_35/sc-colored-diamonds_259/"
nowrap>Colored Diamond Rings</A>
<LI class=sub-menu-li nowrap><A
href="sc-engagement-rings_76/"
nowrap>Engagement Rings</A>
<LI class=sub-menu-li nowrap><A
href="sc-wedding-sets_82/"
nowrap>Wedding Sets</A> </LI></UL></TD>
<TD vAlign=top>
<UL>
<LI class=sub-menu-li nowrap><A
href="c-rings_35/sc-anniversary_138/"
nowrap>Anniversary Rings</A>
<LI class=sub-menu-li nowrap><A
href="wedding-rings/524/"
nowrap>Wedding Bands</A>
<LI class=sub-menu-li nowrap><A
href="c-rings_35/m-sterling-silver_211/"
nowrap>Sterling Silver Rings</A>
<LI class=sub-menu-li nowrap><A
href="c-rings_35/so-bestsellers/"
nowrap>Top Selling</A>
<LI class=sub-menu-li nowrap><A
href="c-rings_35/so-ratings_i.avgRating%20DESC/"
nowrap>Top Rated</A>
<LI class=sub-menu-li nowrap><A
href="c-rings_35/so-newest_i.id%20DESC/"
nowrap>Newest</A> </LI></UL></TD></TR></TBODY></TABLE></DIV></LI>

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