table td { background-color:#f5f5f5; }
table th {  }

.belegt { background-color:darkred; color:white; font-weight:bold; text-align:center;  }
.reserviert { background-color:darkorange; color:white; font-weight:bold; text-align:center; }

hr {
  height:1px;
  border:0px;
  border-top:1px solid #ddd;
}