change CSS of a tag using javascript

[lofaifa]

i have a <div id="rating"><a></div> tag styled and i wanna change the css of it (<a>)

 

#rating a{
font-size:11px;
font-family: arial;
text-decoration:none;
text-align:center;
display:block;
height:10px;
float:left;
width:10px;
border: /*#B48B89*/ #666 1px solid;
padding:0 4px 5px 4px;
margin-right:5px;
border-radius:2px;
backgroud-color:#fff;
}

 

i want to change the background-color and i dont know how to point out to #rating a .. (using javascript or jquery)

 

[AyKay47]

$("#rating a").css('background-color', '#999');