Making a Double Click in CSS

The link will be only active if double-clicked.

<div class="test3">
  <span><input type="text" value="&nbsp;" readonly="true" />
  <a href="http://google.com">Double click me</a></span>
</div>

<style type="text/css">
.test3 span {
	position: relative;
}
.test3 span a { 
	position: relative;
	z-index: 2; 
}
.test3 span a:hover, .test3 span a:active { 
	z-index: 4; 
}
.test3 span input { 
	background: transparent; 
	border: 0; 
	cursor: pointer; 
	position: absolute; 
	top: -1px; 
	left: 0; 
	width: 101%;  /* Hacky */
	height: 301%; /* Hacky */
	z-index: 3; 
}
.test3 span input:focus { 
	background: transparent; 
	border: 0; 
	z-index: 1; 
}
</style>

Reference URL