.df /*departure flight*/
{
   background-color:#DBDBDB;
   color:#000000;
}
.sdf /*selected departure flight*/
{
   background-color:#C8C9C8;
   font-weight:bold;
}
.rf /*returning flight*/
{
   background-color:#4CE0D6;
   color:#000000;
}
.srf /*selected returning flight*/
{
   background-color:#5D9C6A;
   font-weight:bold;
}