묻고답하기

<style>

BODY,TD,SELECT,input,DIV,form,TEXTAREA,center,option,pre,blockquote{font-size:9pt; font-family:굴림; color:#373737;}

A:link{font-size:9pt;font-family:굴림;color:#000000;text-decoration:none;}
A:visited{font-size:9pt;font-family:굴림;color:#000000;text-decoration:none;}
A:active{font-size:9pt;font-family:굴림;color:#000000;text-decoration:none;}
A:hover{font-size:9pt;font-family:굴림;color:#000000;text-decoration:underline;}
</style>

여기에서 최근게시물 글위에 마우스를 대면 롤오버(배경색변경)가 생기게 하는건 어떻게하죠?