body {background-color: #f5f5f5;
          }
     table {
            border-collapse: collapse;
            border: medium solid grey;
            }
     td,th {vertical-align: middle;
            text-align: center;
            padding: .2em .2em .2em .2em;
            border: thin solid grey;
            }
     th {background-color:#b0e2ff;
        }
     .spalte {width: 16px;
             }
     .kopfspalte {background-color: #ffffe0;
                  padding: 0em 1em 0em 1em;
             }
     .kreis {width: 14px;
            height: 14px;
            border-radius: 7px;
            background-color: #0000ff;
            }
     .dreieck {width: 0; 
               height: 0; 
               border-left: 7px solid transparent; 
               border-right: 7px solid transparent; 
               border-bottom: 14px solid #ff0000; 
               }          
     .italic{font-style: italic;
            }
     .menu {line-height: 2.6;
            background-color: #a2b5cd;
           }