.dialog-rsm {
 width:290px;
 margin:0px auto;
 max-width:290px; /* I only cut the left background images out to 800px. You could do much larger, etc. */
 color:#fff;
}

.dialog-rsm .hd-rsm .c-rsm,
.dialog-rsm .ft-rsm .c-rsm {
 font-size:1px; /* ensure minimum height */
 height:20px;
}

.dialog-rsm .ft-rsm .c-rsm {
 height:20px;
}

.dialog-rsm .hd-rsm {
 background:url(/_images/corner_red/tl.png) no-repeat 0px 0px;
 margin-right:20px; /* space for right corner */
}

.dialog-rsm .hd-rsm .c-rsm {
 background:url(/_images/corner_red/tr.png) no-repeat right 0px;
 margin-right:-20px; /* pull right corner back over "empty" space (from above margin) */
}

.dialog-rsm .bd-rsm {
 background:url(/_images/corner_red/ml.png) repeat-y 0px 0px;
 margin-right:20px;
}

.dialog-rsm .bd-rsm .c-rsm {
 background:url(/_images/corner_red/mr.png) repeat-y right 0px;
 margin-right:-20px;
 margin-bottom:-10px;
 margin-top:-15px;
}

.dialog-rsm .ft-rsm {
 background:url(/_images/corner_red/bl.png) no-repeat 0px 0px;
 margin-right:20px;
}

.dialog-rsm .ft-rsm .c-rsm {
 background:url(/_images/corner_red/br.png) no-repeat right 0px;
 margin-right:-20px;
}