.text_rechts {
	text-align: right;
}
.text_block {
	text-align: justify;
}
.text_center {
	text-align: center;
}

.err_bad {
	border: 1px solid #c00;
	color: #c00;
}

.err_good {
	border: 1px solid #0c0;
	color: #0c0;
}