body {
  background-color: #222;
}
button {
  width: 25%;
  height: 25%;
  float: left;
  background-color: black;
  border-color: white;
  color: white;
  font-size: 40;
}
#CD {
  font-size: 30;
}
textarea {
  width: 100%;
  background-color: black;
  color: white;
  text-align: right;
}
#display {
  font-size: 40;
}
#breadcumbs {
  font-size: 20;
}
#main {
  width: 300px;
  height: 300px;
}