/* column container */
.colmask {
    position:relative;      /* This fixes the IE7 overflow hidden bug and stops the layout jumping out of place */
    clear:both;
    width:1000px;           /* width of whole page */
    margin:0 auto 6px auto;
    overflow:hidden;        /* This chops off any overhanging divs */
    border-top:6px solid #d5d5d5;
    border-bottom:1px solid #c6c6c6;
}
/* 3 column blog style settings */
.rightmenu {
    background:#fff;        /* Right column background colour */
}
.rightmenu .colleft {
    float:left;
    width:200%;
    position:relative;
    z-index:2;
    right:100%;
    margin-left:-261px;     /* Width of centre column + it's left "border" */
    background:#fff;        /* Left column background colour */
    border-right:3px solid #d5d5d5;
}
.rightmenu .col1wrap {
    float:left;
    width:50%;
    position:relative;
    z-index:3;
    left:50%;
}
.rightmenu .col1 {
    margin:0 33px 0 280px;  /* Centre column side padding:
                            Left padding = left column width + centre column left padding width
                            Right padding = right column width + centre column right padding width */
    position:relative;
    z-index:4;
    width:700px;/* = 1000px - hor margins*/
    overflow:hidden;
    padding-bottom:40px;
}
.rightmenu .col3 {
    float:right;
    width:258px;            /* Width of right column content (right column width minus left and right padding) */
    position:relative;
    z-index:5;
    left:261px;
}