.top-left {

margin-right: 9px; /* clip right corner */
height: 9px; /* vertical: show first half of the image with the top-corners in it */
font-size: 2px; /* correct height for IE */
}

.top-right {

margin-top: -9px; /* to level of top-left corner */
margin-left: 9px; /* clip left corner */
background-position: 100% 0; /* show bg-image starting at the right */
height: 9px; 
font-size: 2px;
}

.bottom-left {

margin-right: 9px; /* clip right corner */
background-position: 0 -9px; /* show under half of the image */
height: 9px;
font-size: 2px;
}

.bottom-right {

margin-top: -9px; /* to level of bottom-left corner */
margin-left: 9px; /* clip left corner */
background-position: 100% -9px; /* under half, right side */
height: 9px; 
font-size: 2px; 
}

.inside {
padding-left: 6px;
padding-right: 6px;
}

.notopgap {

margin-top: 0;
}

.nobottomgap {

margin-bottom: 0;
}