/******************************************************************* Anpassung border_black */
#content .border_black {
  min-height: 20px;
  padding: 19px;
  margin-bottom: 20px;
  background-color: #f5f5f5;
  border: 1px solid #e3e3e3;
  border-radius: 4px;
  box-shadow: inset 0 1px 1px rgba(0,0,0,0.05);
}

/******************************************************************* Anpassung Abstand nach li */
#content li {
  margin-bottom: 8px;
}