.df /*departure flight*/
{
   background-color:#E3E3E3;
   color:#000000;
}
.sdf /*selected departure flight*/
{
   background-color:#BDBDBD;
   font-weight:bold;
}
.rf /*returning flight*/
{
   background-color:#BDDCC1;
   color:#000000;
}
.srf /*selected returning flight*/
{
   background-color:#60D56F;
   font-weight:bold;
}