Calender

http://michelle.nw-hmg.de/Test/calender_mine_layout.html
This is how my site looks like right now. Yet I can’t seem to make the calender the right way with css.
Can somebody help me?

Also I later wanna make it an interactive calender so for example that people can enter events on a date and then if you click on that date in the calender the event will be shown.
Plus if somebody could explain to me how to make a div with recent events it would be nice.

Thanks in advance.

Peace out,
ColeBrookstone