body { margin-left: 0px; margin-top: 0px;	margin-right: 0px; margin-bottom: 0px;  background-color: #a6a5a5;  }

.td_fonsportada {	background-image: url(../imatges/fons_portada.jpg); }
.td_celpre {	background-image: url(../imatges/cel_pre.jpg);  background-position: right;   }
.td_celpost {	background-image: url(../imatges/cel_pre.jpg);  background-position: left;  }