Пример тут: http://jsfiddle.net/hrwFn/
/*------------------------------------*\
BORDERS
\*------------------------------------*/
/* Create a series of empty pseudo-elements... */
html:before,html:after,body:before,body:after{
content:"";
background:#dad8bb;
position:fixed;
display:block;
z-index:5;
}
/* ...and position them! */
html:before{
height:10px;
left:0;
right:0;
top:0;
}
html:after{
width:10px;
top:0;
right:0;
bottom:0;
}
body:before{
height:10px;
right:0;
bottom:0;
left:0;
}
body:after{
width:10px;
top:0;
bottom:0;
left:0;
}
