body {
  margin: 5%;
  background-color: #001F2B;
  color: #F2F1E9;
  font-family: sans-serif;
}

.container {
  gap: 1.0%;
}

.card-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 12px;
}

h3 {
  margin: 0.4rem;
  font-size: 1.5rem;
  font-weight: bold;
}

.card {
  flex: 1;
  padding: 0.7rem;
  text-decoration: none;
  outline: none;
  text-align: center;
  background: palegoldenrod;
  color: black;
  transition: box-shadow 0.3s ease-in-out;
  border-radius: 5px;
  box-shadow: 0 0 2px rgba(255, 255, 255, 0.2);
  transition: box-shadow 0.3s ease-in-out;
}


.card.selected {
  background: orange;
}

.card:hover {
  background: orange;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}


#run-button {
  background-color: #4caf50;
  border: none;
  color: white;
  padding: 15px 32px;
  text-align: center;
  font-weight: bold;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin-top: 2rem;
  margin-bottom: 10px;
  cursor: pointer;
  border-radius: 5px;
}

#run-button:hover {
  background-color: #3e8e41;
}

pre {
  background-color: #00141b;
  max-width: 40rem;
  padding: 2rem;
  margin-top: 2rem;
  align-items: center;
}

.hidden {
  display: none;
}