How to Create a Horizontal Dropdown Menu Using Only CSS?

Creating a Pure CSS Dropdown Menu

Horizontal dropdown menus can be easily created using pure CSS, ensuring compatibility across various browsers. Here's how to achieve this:

HTML:

<ul>

CSS:

ul {
  font-family: Arial, Verdana;
  font-size: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

ul li {
  display: block;
  position: relative;
  float: left;
}

li ul {
  display: none;
}

ul li a {
  display: block;
  text-decoration: none;
  color: #ffffff;
  border-top: 1px solid #ffffff;
  padding: 5px 15px 5px 15px;
  background: #2C5463;
  margin-left: 1px;
  white-space: nowrap;
}

ul li a:hover {
  background: #617F8A;
}

li:hover ul {
  display: block;
  position: absolute;
}

li:hover li {
  float: none;
  font-size: 11px;
}

li:hover a {
  background: #617F8A;
}

li:hover li a:hover {
  background: #95A9B1;
}

Demo:

http://jsfiddle.net/XPE3w/7/

By applying these CSS rules to your HTML code, you can create a fully functional, cross-browser compatible dropdown menu using pure CSS.

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