#content input.knopf {
  float: right; 
  color: #c60; 
  background-color: #f6f6f6;
  padding-bottom: 3px;
  margin: 0.25em 0 0.25em 0.5em; 
}

#content .kgrau {
  background-color: #ddd; 
  border: 1px solid #006; 
  padding: 0.5em;
  margin-bottom: 0.5em; 
}

#content .kor {
  border: 1px solid #006; 
  background-color: #fc3; 
  margin-bottom: 0.5em; 
  padding: 0.5em;
}