The search form is styled using CSS you can include the AccuBook Stylesheet to display the form on your site.
The AccuBook Styles Sheet will only set the positioning of the form elements, you can change colours etc in your own css code.
If you wish to use your own css code to position the elements you can use the following element ids:
#accubookSearchForm - form wrapper div
#checkoutLbl,#checkinLbl - divs containting the text Arrive / Depart
#checkinDay, #checkinMonth,#checkoutDay,#checkoutMonth - divs containing the date drop downs
#accubookCheckInRow,#accubookCheckOutRow,#accubookSearchRow - wrapper divs for each of the 3 rows ( default layout )
#accubookSearchButton - div containing the search button