Vorlage:Test.css

.wikitable2 {
    background-color:white;
    color: #222;
    margin: 1em 0;
    border: 1px solid white;
    border-collapse: collapse;
    }

.wikitable2 th {
    background-color: #eaecf0;
    }

.wikitable2 td {
    background-color: #f8f9fa;
    border: 1px solid #a2a9b1;
    padding: 0.2em 0.4em;
    line-height:1.9;
/*    empty-cells: hide;*/
    }


.wikitable2 .Leerzeile {
  border-left: solid 1px green; 
  border-right: solid 1px green; 
  background: yellow;
  }

td:empty {
  background: thistle;
  }

/* small */
@media (max-width: 576px) {

.wikitable2 {
    border-collapse: separate;
    }

.wikitable2 td {
  display: block;
  background: lightgoldenrodyellow;
  empty-cells: hide!important;
  }

.wikitable2 td:empty {
  display: block;
  empty-cells: hide!important;
  }

.wikitable2 .Leerzeile {
  display: block;
  background:  paleturquoise;
  empty-cells: hide!important;
  }

}