Tables: setting padding, column width and column text-align via CSS

gistfile1.css

<!-- The CSS part -->
table.week tbody tr td {padding:10px;text-align:center;background:url(../images/dots439bbe.png) repeat-x 0 100%;}
table.week tbody tr td[headers=title] {width:191px;text-align:left;}
table.week tbody tr td[headers=date] {width:100px;}
table.week tbody tr td[headers=host] {width:52px;}
table.week tbody tr td[headers=cost] {width:40px;}
table.week tbody tr td[headers=notes] {text-align:left;}

<!-- The HTML part -->
<table cellspacing="0" class="week" id="week1">
	<thead>
    <tr>
    	<th id="title">Week One: Focus on Film</th>
    	<th id="date">Date</th>
    	<th id="host">Host</th>
    	<th id="cost">Cost</th>
    	<th id="notes">Notes</th>
    </tr>
    </thead>
    <tbody valign="top">
	<tr>
	<td headers="title"><a href="http://ucsd.tv/search-details.aspx?showID=17407" target="_blank">Jazz Camp Faculty on UCSD-TV</a></td>
        <td headers="date">3/1/10&nbsp;-&nbsp;3/31/10</td>
        <td headers="host">UCSD-TV</td>
        <td headers="cost">Free</td>
        <td headers="notes">Available on UCSD-TV</td>
	</tr>
	<tr>
	<td headers="title"><a href="http://ucsd.tv/search-details.aspx?showID=17223" target="_blank">Revelle Forum: Frank Bruni on UCSD-TV</a></td>
        <td headers="date">3/1/10&nbsp;-&nbsp;3/31/10</td>
        <td headers="host">UCSD-TV</td>
        <td headers="cost">Free</td>
        <td headers="notes">Available on UCSD-TV</td>
	</tr>
	<tr>
	<td headers="title"><a href="http://extension.ucsd.edu/studyarea/index.cfm?vAction=singleCourse&vCourse=GINT-81555" target="_blank">Advanced Screenwriting Workshop: Read and Critique</a></td>
        <td headers="date">3/4/10 &amp; 3/18/10</td>
        <td headers="host"></td>
        <td headers="cost">$</td>
        <td headers="notes"></td>
	</tr>
	<tr>
	<td headers="title"><a href="http://extension.ucsd.edu/studyarea/index.cfm?vAction=singleCourse&vCourse=LING-40095" target="_blank">Bookmaking for the ELI Classroom</a></td>
        <td headers="date">3/5/10&nbsp;-&nbsp;3/10/10</td>
        <td headers="host"></td>
        <td headers="cost">$</td>
        <td headers="notes"></td>
	</tr>
	<tr>
	<td headers="title"><a href="http://extension.ucsd.edu/studyarea/index.cfm?vAction=singleCourse&vCourse=GINT-81554" target="_blank">First Steps to Publishing</a></td>
        <td headers="date">3/6/10</td>
        <td headers="host"></td>
        <td headers="cost">$</td>
        <td headers="notes"></td>
	</tr>
    </tbody>
</table>