body {
  background: #0c1f0c;
  color: #ccffcc;
  font-family: 'Verdana', sans-serif;
  margin: 0;
  padding: 0;
}
header {
  background: #1b3d1b;
  color: #9f9;
  padding: 1rem;
  text-align: center;
  font-size: 2rem;
}
main {
  padding: 1rem;
  max-width: 1000px;
  margin: auto;
}
section {
  background: #142914;
  padding: 1rem;
  margin-bottom: 1rem;
  border: 1px solid #3f6;
  border-radius: 8px;
}
input, textarea, button, select {
  width: 100%;
  padding: 0.5rem;
  margin: 0.2rem 0;
  border: 1px solid #6f6;
  background: #1c3c1c;
  color: #dfd;
  border-radius: 4px;
}
a {
  color: #9f9;
}