.top-left {
margin-right: 16px; /* clip right corner */
background-image: url('../pix/corners.gif');
height: 16px; /* vertical: show first half of the image with the top-corners in it */
font-size: 2px; /* correct height for IE */
}
.top-right {
margin-top: -16px; /* to level of top-left corner */
margin-left: 16px; /* clip left corner */
background-image: url('../pix/corners.gif'); 
background-position: 100% 0; /* show bg-image starting at the right */
height: 16px; 
font-size: 2px;
}
.bottom-left {
margin-right: 16px; /* clip right corner */
background-image: url('../pix/corners.gif');
background-position: 0 -17px; /* show under half of the image */
height: 16px;
font-size: 2px;
}
.bottom-right {
margin-top: -16px; /* to level of bottom-left corner */
margin-left: 16px; /* clip left corner */
background-image: url('../pix/corners.gif'); 
background-position: 100% -17px; /* under half, right side */
height: 16px; 
font-size: 2px; 
}
.inside {
border-left: 1px solid #c2c2c4;
border-right: 1px solid #c2c2c4;
background: #FFFFFF;
color: #000000;
padding-left: 15px;
padding-right: 15px;
}
.notopgap {
margin-top: 0;
}
.nobottomgap {
margin-bottom: 0;
}