Inner Table Border Color

Hey,

How to change the inner table border colour i.e the border between all the cells...

tborder does not work.

Thanks and Regards,

Zeenobia

table.mytable{
border:1px solid #000;
border-collapse:collapse;
}
table.mytable td{
border:1px solid #f00;
}

<table class="mytable">
<!-- rest of tags here -->

</table>