.col-small, .col-medium, .col-big, .col-half { float:left}
/*======= width =======*/
.main{margin:0 auto; text-align:left; width:980px; background:#fff }

/*======= header =======*/
#header {height:559px;  background:url(images/top.gif) repeat-x top}

/*======= index.html =======*/
#content .col-small { width:198px; margin-right:43px; }  /* 1/4 */
#content .col-half { width:440px; margin-right:43px; }   /* 2/4 */
#content .col-medium { width:282px; margin-right:43px; } /* 1/3 */
#content .col-big { width:680px; margin-right:43px; }    /* 3/4 */
#content .col-full { width:680px; margin-right:43px; }

.no-margin { margin: 0px !important; }

#content .bg1{ background:url(images/tail.gif) repeat-y 303px top } 
#content .bg2{ background:url(images/tail.gif) repeat-y 460px top } 
#content .bg3{ background:url(images/tail.gif) repeat-y 628px top } 
#content .bg4{ background:url(images/tail.gif) repeat-y 700px top } 

/*======= footer =======*/
#footer { height:139px; }