<html>
<head>
<title>border left width</title>
<style>
.style1 {
border:4px solid pink;
border-left-width:5px;
font-family:arial;
font-weight:bold
}
.style2 {
border:"none";
font-family:arial;
font-weight:bold
}
</style>
</head>
<body>
Move mouse in and out to see the style change.
<div style="width:400;
height:160;
background-color:aqua"
onmouseover="this.className='style1'"
onmouseout="this.className='style2'">
True love is eternal, infinite, and always like itself.<br>
It is equal and pure, without violent demonstrations:<br>
it is seen with white hairs and is always young in the heart.<br><br>
Honore de Balzac
</div>
</body>
</html>