table {border:none; border-collapse:collapse;margin-left:auto;margin-right:auto;}/* empty-cells: show;}*/
	td    {border: 1px solid #000000;}
	th    {border: 2px solid #000000;}
	.o 	  {border-top:2px solid #000000 }
	.r    {border-right:2px solid #000000 }
	.u    {border-bottom:2px solid #000000 }
	.l    {border-left:2px solid #000000 }
	.grau1{background-color:#efefef;}
	.grau2{background-color:#ffffcc;}
	.cen{text-align:center;}
	.korrektur{background-color:#ffff00;}
	.overwrite{background-color:#ffa500;}
	.fehler{background-color:#ff0000;}
	.red{background-color:#dc143c;}
	.H{display:block;}
	#editor_1  {width:960px; background:#EEEEEE ;font-family:Arial,Helvetica,sans-serif; border:0px solid #000; position:relative; margin:25px auto 150px auto; margin-bottom:0px; z-index:1;text-align:center;top:-30px;}

	a.mybutton { width:100%-1px;
				font-family:Arial;
				font-weight:bold;
				font-size:100%;
				display:block;
				text-align:center;
				text-decoration:none;
				background-color:#DDDDDD;
				color:#000;
				border-left-width:2px;border-left-style:solid;border-left-color:#f0f0f0;
				border-right-width:2px;border-right-style:solid;border-right-color:#222222;
				border-top-width:2px;border-top-style:solid;border-top-color:#f0f0f0;
				border-bottom-width:2px;border-bottom-style:solid;border-bottom-color:#666666;
			  }

	a.mybutton:active{
				border-left-width:3px;border-left-style:solid;border-left-color:#f0f0f0;
				border-right-width:1px;border-right-style:solid;border-right-color:#222222;
				border-top-width:3px;border-top-style:solid;border-top-color:#f0f0f0;
				border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:#666666;
			  }