.ajax__calendar_title {width:150px; margin:auto; padding:3px;} Taken from here: http://forums.asp.net/p/1395899/3000757.aspx If you are finding that you can’t click on the arrows on the Calendar Extender in IE 8 try using the following css. .ajax__calendar_title{width:150px; margin:auto; padding:3px;} It stops the calendar title from extending over the arrows.
If you are using the Ajax Calendar Extender it might be worth looking at http://www.dotnetcurry.com/ShowArticle.aspx?ID=149&AspxAutoDetectCookieSupport=1 Its essentially a couple of tips for using it in common situations. One of the handiest for me was the ability to start by selecting the year, which makes much more sense when entering a date of birth.