can any one help me to position the side news bar designed in tutorial 16 at the side as after doing the same in tutorial my side bar is at the bottom .. 

Here is the code

body{
width: 100%;
display:-webkit-box;
-webkit-box-pack: center;
}
#big_wrapper{
max-width: 1000px;
margin: 20px 0px;
display:-webkit-box;
-webkit-box-orient: vertical;
-webkit-box-flex: 1;
}

#top_header{
background: yellow;
border: 3px solid black;
padding: 20px;
}
#top_menu{
background: blue;
border: red;
color: white;
}

#top_menu li{
display:inline-block;
list-style:none;
padding: 5px;
font: bold 14px Tahoma;
}
#new_div{
display:-webkit-box;
-webkit-box-orient: horizontal;
}
#main_section{
border: 1px solid blue;
-webkit-box-flex:1;
margin: 20px;
padding: 20px;
}
#side_news{
border:1px solid red;
width: 220px;
margin: 20px 0px 0px  500px;
padding: 30px;
background: #66CCCC;
}
#the_footer{
text-align: center;
padding: 20px;
border-top: 2px solid green;
}