Tryit Editor v1.4

<html>
<head>
<style>
table
{
background:black;
}
a
{
text-decoration:none;
color:#000000;
}
th
{
width:150px;
background:#FF8080;
}
td
{
font:bold;
background:#ADD8E6;
}
</style>
<script type="text/javascript">
function gettip(txt)
{
document.getElementById('tip').innerHTML=txt;
}
function reset()
{
document.getElementById('tip').innerHTML=" ";
}
</script>
</head>

<body>
<b>Mouse over the links to see their descriptions</b><br />
<table width="400px">
<tr>
<th>
<a href="../default.htm" 
onmouseover="gettip('W3Schools is the best Web Developers resource on the Web')"
onmouseout="reset()">W3Schools.com</a>
</th>
<td rowspan="3" id="tip"> </td>
</tr>
<tr>
<th>
<a href="https://w3schools.sinsixx.com/www.microsoft.com/default.htm" onmouseover="gettip('Internet Explorer is winning the browser war')"
onmouseout="reset()">Internet Explorer</a>
</th>
</tr>
<tr>
<th>
<a href="https://w3schools.sinsixx.com/my.netscape.com/default.htm" onmouseover="gettip('The Navigator is Netscapes browser tribute to web surfers')"
onmouseout="reset()">Netscape Navigator</a>
</th>
</tr>
</table>

</body>
</html>
Your Result:
Edit the code above and click to see the result.
W3Schools.com - Try it yourself