body { 
  margin-left: 40px;
  margin-right: 40px;
  background-color: #ffffff;
  font: 100% "Arial";
  line-height : 150% }

th, td { 
  font: 90% "Arial";
  line-height : 150% }

a:hover { color : #ff0000 }

table { border-collapse: collapse }

.rb { border-color: red; border-width: 1px; border-style: solid }
.bb { border-color: black; border-width: 1px; border-style: solid }