th {display: none;}

td+td {color: #f7f7f7; /* visibility: hidden breaks content generation */
	text-align: left;}

.sig1 td+td:before {content: url('sig1.gif');}
.sig2 td+td:before {content: url('sig2.gif');}
.sig3 td+td:before {content: url('sig3.gif');}
.sig4 td+td:before {content: url('sig4.gif');}
.sig5 td+td:before {content: url('sig5.gif');}
.sig7 td+td:before {content: url('sig7.gif');}
.sig9 td+td:before {content: url('sig9.gif');}
.sig11 td+td:before {content: url('sig11.gif');}
.sig12 td+td:before {content: url('sig12.gif');}