body {
  background: #777;
}

div#calculator {
  color: #000;
}

div#display{
  background: #000;
  color: #0C0;
}

div#display a:link, div#display a:visited, div#display a:hover{
  color: #0C0;
}

h1 {
  color: #ccc;
}

h2 a:link, h2 a:visited, #theme a:link, #theme a:visited {
  color: #ccc;
}

h2 a:hover, #theme a:hover {
  color: #fff;
}

input#input {
  background: #fff;
  color: #000;
}

input#calc {
  background: #000;
  color: #0C0;
}

label {
  color: #000;
}