.exp_table_primary 
{ 
  background-color: #aac;
 }

.exp_table_secondary
{ 
  background-color: #bbd;
 }

body
{ 
  background-color: #99b;
  color: #000;
}

.exp_credit, .exp_receipt
{ 
  border: 2px inset #ccc;
  margin-bottom: 2ex;
 }

.exp_credit, .exp_receipt h3 
{ 
  background-color: #aac;
  border-bottom: 1px solid #000;
  margin-top: 0;
 }