.gr-box {
 margin-bottom: 3px;
 padding: 0 10px 0 0;
 background: url(../images/plain_gray_m.gif) 100% 0 repeat-y;
}

.gr-bi {
 padding: 0 0 0 10px;
 background: url(../images/plain_gray_m.gif) 0 0 repeat-y;
}

.gr-bt {
 height: 10px;
 margin: 0 -10px;
 background: url(../images/plain_gray.gif) 100% 0 no-repeat;
}

.gr-bt div {
 width: 10px;
 height: 10px;
 background: url(../images/plain_gray.gif) 0 0 no-repeat;
}

.gr-bb {
 height: 10px;
 margin: 0 -10px;
 background: url(../images/plain_gray.gif) 100% 100% no-repeat;
}

.gr-bb div {
 width: 10px;
 height: 10px;
 background: url(../images/plain_gray.gif) 0 100% no-repeat;
}

.gr-box-bianco {
 margin-bottom: 3px;
 padding: 0 10px 0 0;
 background: url(../images/plain_bianco_m.gif) 100% 0 repeat-y;
}
.gr-bi-bianco {
 padding: 0 0 0 10px;
 background: url(../images/plain_bianco_m.gif) 0 0 repeat-y;
}
.gr-bt-bianco {
 height: 10px;
 margin: 0 -10px;
 background: url(../images/plain_bianco.gif) 100% 0 no-repeat;
}
.gr-bt-bianco div {
 width: 10px;
 height: 10px;
 background: url(../images/plain_bianco.gif) 0 0 no-repeat;
}
.gr-bb-bianco {
 height: 10px;
 margin: 0 -10px;
 background: url(../images/plain_bianco.gif) 100% 100% no-repeat;
}
.gr-bb-bianco div {
 width: 10px;
 height: 10px;
 background: url(../images/plain_bianco.gif) 0 100% no-repeat;
}