hover effect on CSS dropdown menu that displays all drop-down options

I found this awesome CSS menu on Fiddle that I'd like to share with you: http://jsfiddle.net/DenErello/pQhpu/

Here's the CSS code:

.Menu {
background-color: #3b69a2;
height: 30px;
}
.Menu, .Menu li {
list-style: none;
padding: 0;
margin: 0;
}
.Menu li {
float: left;
width: 100px;
display: block;
line-height: 30px;
}
.Menu ul {
opacity: 0;
}
.Menu ul li {
line-height: 20px;
background-color: #3b69a2;
}
.Menu li:hover > ul { opacity: 1; }

And here's the HTML code:

<ul class="Menu">
<li>Test 1
    <ul>
        <li>Test 1.1</li>
        <li>Test 1.2</li>
    </ul>
</li>
<li>Test 2
    <ul>
        <li>Test 2.1</li>
        <li>Test 2.2</li>
        <li>Test 2.3</li>
    </ul>
</li>
</ul>

Although the menu works well, I'm looking to have both drop-down menus visible after clicking on one of the main menu items. I'm also trying to achieve a full 100% width background and full height for the dropdown menus, mirroring the height of the largest dropdown. I've attempted to apply background styles to the ul element, but it doesn't seem to be working. Can anyone provide some guidance on how to achieve this?

Answer №1

It's a bit unclear, but have you considered utilizing the hover property on the .Menu class to display both menus when the mouse is over the entire area?

.Menu:hover li ul { opacity: 1; }

Additionally, to achieve full width, you can include the following rule:

.Menu:hover{height:auto;overflow:hidden}

http://example.com

Alternatively, as suggested by isherwood, incorporating some JavaScript may be necessary.

Answer №2

You don't need javascript for this effect, simply include this in your CSS:

.Menu:hover ul { opacity: 1; }

Check out an example here

Answer №3

If you're looking to easily accomplish this task using jQuery, consider using the following approach. It may be more efficient to use the display property instead of opacity to show and hide the dropdowns.

var menuItem = $(".Menu").children("li");

menuItem.on("mouseenter", function() {
  menuItem.children("ul").show();
});

menuItem.on("mouseleave", function() {
  menuItem.children("ul").hide();
});

Check out the DEMO for reference.

Answer №4

If you want both sub-menus to be triggered by the first top-level item, you can achieve this by using the following CSS code:

http://example.com

.Menu li:hover + li ul { opacity: 1; }

However, please note that this CSS rule will not work for the second top-level item as the adjacent sibling selector only affects following siblings. If you need to make it work for all items, you will have to use JavaScript, which can be easily implemented with jQuery.

Answer №5

.Navigation li:hover ~ li > ul {
    visibility:hidden;
}

Check out this Fiddle

Inject some of this code into your project.

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