dl#system-message
{
  border: 6px solid red;
  background: black;
  padding: 10px;
  color: white;
  
  position: absolute;
  top: 100px;
  z-index: 0;
  margin-left: -250px;
  cursor: pointer;
}

dl#system-message dt
{
  line-height: normal;
  font-weight: bolder;
  font-size: 120%;
}