.back1 {  background-color: #4A6ECE; color: #FFFFFF; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px}
.dot1 {  border: 2px #000000 dashed}
.back2 {  background-color: #DAEAFE}
.back3 {  background-color: #FF0000; color: #FFFFFF}