Expanding the 1st col of the head of my table

[danpelican]

I have a table with 3 columns in it and a head. Like this:

Here is my html code:\[code\] <table> <thead> <tr> <th class="right"><input type = "checkbox"></th> <th class="left">Afficher: Tous blah blah</th> <th class="right">Trier par: Num