#main_container{
width:930px;
height:auto;
margin:auto;
padding:0px;
float:center;

}
#header{
width:930px;
/*height:110px;*/
/*background-color:#ffffff;*/
margin:auto;
}

/*------------------------------main content-----------------------*/
#main_content{
width:760px;
margin:auto;
clear:both;
background-color:#ffffff;
}

/*------------------------middle_content-----------*/
.column1{
width:188px;
float:left;
margin:0px;
padding:0px 0px 0px 0px;
background-color:#F0F0F0;
}
.column2{
width:572px;
float:left;
margin:0px;
padding:0px 0px 0px 0px;
background-color:#Ffffff;

}



/*-------------------footer------------------------*/
#footer{
width:930px;
float:left;
margin:0px;
padding:0px 0px 0px 0px;
}