.greenonblack {
  background-color: black;
  color: green;
}
div.greenonblack pre,
div.greenonblack pre div,
div.greenonblack pre div div{
  padding: 0;
  margin: 0;
  border: 0;
  /*overflow: auto;
  height: 400px;*/
}

.greenonblack form input{
  background-color: black;
  color: green;
  border: 0;
  width: 100%;
}

.greenonblack table, .greenonblack table td {
  background-color: black;
  color: green;
  padding: 0;
  margin: 0;
  border: none;
  text-align: left;
}