.site_center	{text-align:center;}

.main 		{margin:auto;
		width:850px;
		text-align:left;}

.right_element 	{right: 0;
		width: 100%;
		text-align: right; /* depends on element width */}

.col_1,
.col_2,
.col_3,
.col_box_1,
.col_box_2,
.col_box_3	{float:left;
		width: 100%;}


/*======= index.html =======*/
#page1 .content .col_1{width:250px;}
#page1 .content .col_2{width:455px; margin:25px;}
/*=========================*/

/*======= index-1.html =======*/
#page2 .content .col_1{width:270px;}
#page2 .content .col_2{width:410px; margin:50px;}
/*=========================*/

/*======= index-2.html =======*/
#page3 .content .col_1{width:730px;}
/*=========================*/