<!DOCTYPE html>
<html>
<head>
<style>
span {
display: inline-block;
font: menu;
background: pink;
line-height: 1.5em;
overflow: hidden;
position: absolute;
top: 50px;
border: 1px solid white;
}
</style>
</head>
<body>
<p>
The pink background should extend the full width of the
two blocks.
</p>
<span>ABاب</span> <span>12ا|ب:</span>
</body>
</html>