Decrease width of field on FORM

Sometime we need to decrease the width of a field on form, say a picklist showing integer 1 to 10. In this kind of field width should be less for a better look.
use :
crmForm.all.field.style.width= '100px';

Account's 360 view in single form for MSCRM 4.0

Account's 360 view in single form for MSCRM 4.0

Normally sales person, call center team, telecallers etc. want evrything to be on single form to avoid multiple click. We may customize Account form to show all customers and their respective activities.