html box width setting example sample eg e.g.

html box width and height setting 


<div id="content" style="width:100%;">
<div style="border:solid 1px black; height:200px; width:69%; margin:auto;margin-top:60px;">
<span style="width:100% ; margin-left:2px; float:left;height:20px; color:white; background-color:rgb(67,120,182); margin-bottom:0;">Employee Email Listing</span>
<table border="1" STYLE="float:clear; width:100%">
 <tr>
  <th style="width:80%;">Employee Email</th>
<th style="width:20%;"></th>
 </tr>
 <tr style="height:20px">
<td>someOne@email.com</td>
<td></td>
 </tr>
</table>
</div>
</div>