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Implement a three-level drop-down menu using pure css

Source: Internet
Author: User
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The following is the css code.

The code is as follows: Copy code

<Style>
. Menu {
Width: 750px;
Font-size: 0.85em;
Position: relative;
Z-index: 100;
}
/* Remove all the bullets, borders and padding from the default list styling */
. Menu ul {
Padding: 0;
Margin: 0;
List-style-type: none;
}
. Menu ul {
Width: 150px;
}
/* Float the list to make it horizontal and a relative positon so that you can control the dropdown menu positon */
. Menu li {
Float: left;
Width: 150px;
Position: relative;
}
/* Style the links for the top level */
. Menu a,. menu a: visited {
Display: block;
Font-size: 11px;
Text-decoration: none;
Color: # fff;
Width: 139px;
Height: 30px;
Border: 1px solid # fff;
Border-width: 1px 1px 0 0;
Background: #758279;
Padding-left: 10px;
Line-height: 29px;
}
/* A hack so that IE5.5 faulty box model is corrected */
* Html. menu a, * html. menu a: visited {
Width: 150px;
Width: 139px;
}
 
/* Style the second level background */
. Menu ul a. drop,. menu ul a. drop: visited {
Background: # d4d8bd url (../img/drop.gif) bottom right no-repeat;
}
/* Style the second level hover */
. Menu ul a. drop: hover {
Background: # c9ba65 url (../img/drop.gif) bottom right no-repeat;
}
. Menu ul: hover> a. drop {
Background: # c9ba65 url (../img/drop.gif) bottom right no-repeat;
}
/* Style the third level background */
. Menu ul a,. menu ul a: visited {
Background: # e2dfa8;
}
/* Style the third level hover */
. Menu ul a: hover {
Background: # b2ab9b;
}
 
/* Hide the sub levels and give them a positon absolute so that they take up no room */
. Menu ul {
Visibility: hidden;
Position: absolute;
Height: 0;
Top: 31px;
Left: 0;
Width: 150px;
}
/* Another hack for IE5.5 */
* Html. menu ul {
Top: 30px;
Top: 31px;
}
 
/* Position the third level flyout menu */
. Menu ul {
Left: 150px;
Top: 0;
Width: 150px;
}
/* Position the third level flyout menu for a left flyout */
. Menu ul. left {
Left:-150px;
}
 
/* Style the table so that it takes no ppart in the layout-required for IE to work */
. Menu table {position: absolute; top: 0; left: 0 ;}
 
/* Style the second level links */
. Menu ul a,. menu ul a: visited {
Background: # d4d8bd;
Color: #000;
Height: auto;
Line-height: 1em;
Padding: 5px 10px;
Width: 129px
/* Yet another hack for IE5.5 */
}
* Html. menu ul {
Width: 150px;
Width: 129px;
}
 
/* Style the top level hover */
. Menu a: hover,. menu ul a: hover {
Color: # fff;
Background: # 949e7c;
}
. Menu: hover> a,. menu ul: hover> {
Color: # fff;
Background: # 949e7c;
}
 
/* Make the second level visible when hover on first level list OR link http://www.111cn.net */
. Menu ul li: hover ul,
. Menu ul a: hover ul {
Visibility: visible;
}
/* Keep the third level hidden when you hover on first level list OR link */
. Menu ul: hover ul {
Visibility: hidden;
}
 
/* Make the third level visible when you hover over second level list OR link */
. Menu ul: hover ul {
Visibility: visible;
}
</Style>

Html

The code is as follows: Copy code
<Div class = "menu">
 
<Ul>
<Li> <a href = "./menu/index.html"> DEMOS <! -- [If IE 7]> <! --> </A> <! -- <! [Endif] -->
<! -- [If lte IE 6]> <table> <tr> <td> <! [Endif] -->
<Ul>
<Li> <a href = "../menu/zero_dollars.html" title = "The zero dollar ads page"> zero dollars advertising page </a> </li>
<Li> <a href = "../menu/embed.html" title = "Wrapping text around images"> wrapping text around images </a> </li>
<Li> <a href = "../menu/form.html" title = "Styling forms"> styled form </a> </li>
<Li> <a href = "../menu/nodots.html" title = "Removing active/focus borders"> active focus </a> </li>
<Li> <a class = "drop" href = ".. /menu/hover_click.html "title =" Hover/click with no active/focus borders "> hover/click with no borders <! -- [If IE 7]> <! --> </A> <! -- <! [Endif] -->
<! -- [If lte IE 6]> <table> <tr> <td> <! [Endif] -->
<Ul>
<Li> <a href = "../menu/form.html" title = "Styling forms"> styled form </a> </li>
<Li> <a href = "../menu/nodots.html" title = "Removing active/focus borders"> removing active/focus borders </a> </li>
<Li> <a href = "../menu/hover_click.html" title = "Hover/click with no active/focus borders"> hover/click </a> </li>
</Ul>
<! -- [If lte IE 6]> </td> </tr> </table> </a> <! [Endif] -->
</Li>
<Li> <a class = "drop" href = "./menu/shadow_boxing.html" title = "Multi-position drop shadow"> shadow boxing <! -- [If IE 7]> <! --> </A> <! -- <! [Endif] -->
<! -- [If lte IE 6]> <table> <tr> <td> <! [Endif] -->
<Ul>
<Li> <a href = "../menu/form.html" title = "Styling forms"> styled form </a> </li>
<Li> <a href = "../menu/nodots.html" title = "Removing active/focus borders"> removing active/focus borders </a> </li>
<Li> <a href = "../menu/hover_click.html" title = "Hover/click with no active/focus borders"> hover/click </a> </li>
</Ul>
<! -- [If lte IE 6]> </td> </tr> </table> </a> <! [Endif] -->
</Li>
<Li> <a class = "drop" href = "../menu/old_master.html" title = "Image Map for detailed information"> image map for detailed information <! -- [If IE 7]> <! --> </A> <! -- <! [Endif] -->
<! -- [If lte IE 6]> <table> <tr> <td> <! [Endif] -->
<Ul>
<Li> <a href = "../menu/form.html" title = "Styling forms"> styled form </a> </li>
<Li> <a href = "../menu/nodots.html" title = "Removing active/focus borders"> removing active/focus borders </a> </li>
<Li> <a href = "../menu/hover_click.html" title = "Hover/click with no active/focus borders"> hover/click </a> </li>
</Ul>
<! -- [If lte IE 6]> </td> </tr> </table> </a> <! [Endif] -->
</Li>
<Li> <a href = "../menu/bodies.html" title = "fun with background images"> fun with background images </a> </li>
<Li> <a href = "../menu/fade_scroll.html" title = "fade-out scrolling"> fade scrolling </a> </li>
<Li> <a href = "../menu/em_images.html" title = "em size images compared"> em image sizes compared </a> </li>
</Ul>
<! -- [If lte IE 6]> </td> </tr> </table> </a> <! [Endif] -->
</Li>
<Li> <a href = "./boxes/index.html"> BOXES <! -- [If IE 7]> <! --> </A> <! -- <! [Endif] -->
<! -- [If lte IE 6]> <table> <tr> <td> <! [Endif] -->
<Ul>
<Li> <a href = "spies.html" title = "a coded list of spies"> a coded list of spies </a> </li>
<Li> <a href = "vertical.html" title = "a horizontal vertical menu"> vertical menu </a> </li>
<Li> <a href = "expand.html" title = "an enlarging unordered list"> enlarging unordered list </a> </li>
<Li> <a href = "enlarge.html" title = "an unordered list with link images"> link images </a> </li>
<Li> <a href = "cross.html" title = "non-rectangular links"> non-rectangular </a> </li>
<Li> <a href = "jigsaw.html" title = "jigsaw links"> jigsaw links </a> </li>
<Li> <a href = "circles.html" title = "circular links"> circular links </a> </li>
</Ul>
<! -- [If lte IE 6]> </td> </tr> </table> </a> <! [Endif] -->
</Li>
<Li> <a href = "./mozilla/index.html"> MOZILLA <! -- [If IE 7]> <! --> </A> <! -- <! [Endif] -->
<! -- [If lte IE 6]> <table> <tr> <td> <! [Endif] -->
<Ul>
<Li> <a href = "../mozilla/dropdown.html" title = "A drop down menu"> drop down menu </a> </li>
<Li> <a href = "../mozilla/cascade.html" title = "A cascading menu"> cascading menu </a> </li>
<Li> <a href = "../mozilla/content.html" title = "Using content:"> content: </a> </li>
<Li> <a href = "../mozilla/moxbox.html" title = ": hover applied to a div"> mozzie box </a> </li>
<Li> <a href = ".. /mozilla/rainbow.html "title =" I can build a rainbow "> I can build a rainbow with transparent borders </a> </li>
<Li> <a href = "../mozilla/snooker.html" title = "Snooker cue"> a snooker cue using border art </a> </li>
<Li> <a href = "../mozilla/target.html" title = "Target Practise"> target practice </a> </li>
<Li> <a href = "../mozilla/splittext.html" title = "Two tone headings"> two tone headings </a> </li>
<Li> <a href = "../mozilla/shadow_text.html" title = "Shadow text"> shadow text </a> </li>
</Ul>
<! -- [If lte IE 6]> </td> </tr> </table> </a> <! [Endif] -->
</Li>
<Li> <a href = "./ie/index.html"> EXPLORER <! -- [If IE 7]> <! --> </A> <! -- <! [Endif] -->
<! -- [If lte IE 6]> <table> <tr> <td> <! [Endif] -->
<Ul>
<Li> <a href = "../ie/exampleone.html" title = "Example one"> the first example for Internet Explorer </a> </li>
<Li> <a href = "../ie/weft.html" title = "Weft fonts"> weft fonts </a> </li>
<Li> <a href = "../ie/exampletwo.html" title = "Vertical align"> vertically aligning text </a> </li>
</Ul>
<! -- [If lte IE 6]> </td> </tr> </table> </a> <! [Endif] -->
</Li>
<Li> <a href = "./opacity/index.html"> OPACITY <! -- [If IE 7]> <! --> </A> <! -- <! [Endif] -->
<! -- [If lte IE 6]> <table> <tr> <td> <! [Endif] -->
<Ul>
<Li> <a href = "../opacity/colours.html" title = "color wheel"> a color wheel using opaque colours </a> </li>
<Li> <a href = "../opacity/picturemenu.html" title = "a menu using opacity"> a menu using opacity </a> </li>
<Li> <a href = "../opacity/png.html" title = "partial opacity"> partial opacity </a> </li>
<Li> <a href = "../opacity/png2.html" title = "partial opacity II"> partial opacity II </a> </li>
<Li> <a class = "drop" href = "../menu/hover_click.html" title = "Hover/click with no active/focus borders"> HOVER/CLICK <! -- [If IE 7]> <! --> </A> <! -- <! [Endif] -->
<! -- [If lte IE 6]> <table> <tr> <td> <! [Endif] -->
<Ul class = "left">
<Li> <a href = "../menu/form.html" title = "Styling forms"> styled form </a> </li>
<Li> <a href = "../menu/nodots.html" title = "Removing active/focus borders"> removing active/focus borders </a> </li>
<Li> <a href = "../menu/hover_click.html" title = "Hover/click with no active/focus borders"> hover/click </a> </li>
</Ul>
<! -- [If lte IE 6]> </td> </tr> </table> </a> <! [Endif] -->
</Li>
</Ul>
<! -- [If lte IE 6]> </td> </tr> </table> </a> <! [Endif] -->
</Li>
</Ul>
 
</Div>

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