.img7 {
   display: block;
   float: left;
   background-image:url("http://arquitetosdeideias.com/explore/uploads/Base_territorios_6eng1.png");
   width:271px;  /* Tamanho das partes 206x208 */
   height:274px;
   border: 0px solid #ccc;
}

.parte1 {
  background-position: 0 0;
}

.parte2 {
   background-position: 0 -274px;
}

.parte3 {
   background-position: 0 -548px;
}

.parte4 {
   background-position: 0 -822px;
}
.parte5 {
   background-position: 0 -1096px;
}
.parte6 {
   background-position: 0 -1370px;
}