.blue
{
    background: url("../img/BlockBorderBlue.png") no-repeat;
}
.white
{
    background: url("../img/BlockBorder.png") no-repeat;
}
.tl, .lr
{
    position: relative;
}
.tl
{
    margin-right: 6px;
    margin-bottom: 6px; 
    background-position:top left;
}
.lr
{
    top: 6px;
    left: 6px; 
    background-position:bottom right;
}
.tr, .ll
{
    position: absolute;
    height: 6px;
    width: 6px;
}
.tr
{
    top: 0px;
    right: -6px;
    background-position: top right;
}
.ll
{
    bottom: -6px;
    left: 0px;
    background-position: bottom left;
}
.cntnt
{
    position: relative;
    top: -3px;
    left: -3px;
}