body{
	font-family: Arial, Helvetica, sans-serif;
	margin: 0px;
}

header {
	text-align: center;
	background-color:#555555;
	color:#ffffff;
	padding: 3px;
}

main {
	/* height:300px; */
	background-color: white;
	padding: 0px;
	border-bottom: 0px;
  margin:0px;
}

nav {
	text-align: center;
	background-color:#dddddd;
	padding: 10px;
}

table {
	/* margin:0px;  */
	border-spacing: 1px;
  /* Zellen ohne Zwischenraum durch collapse, seperate unklar */
	/* border-collapse: collapse; */
	/* border-collapse: separate; */
}

td {
  width:5px; 
	height:5px; 
	border:1px solid black;
	/* margin:0px;  */
	/* Innenrand */
	/* padding:0px; */

}

textarea{
	font-family: 'Courier New', Courier, monospace;
	/* font-size: 12pt; ist Standard*/
	width: 340px;
	height: 50px;
}


/* 
0.5em 0.5em
button,select,input{height:25pt;font-size:15pt;}
.container {            keine verbessernde Auswirkung
	display: grid;
	grid-template-rows: 24px 1fr 180px;
}
*/