body {
  background: #001f3f;
  color: #aeeaff;
}

h1{
  color: #13d4ff;
  font-size: 60px;
  margin-top: 40px;
  text-decoration: underline;
  text-align: center;
}

.navbar {
  display:flex;
  align-items: center;
  justify-content: center;
}

/* change navbar styling for this page */
.nav-btn {
  font-size: 22px;
  padding: 12px 20px;
  background: #0f2d3f;
  color: #aeeaff;
  border: 2px dashed #20cefe;
}
.nav-btn:hover {
  background: #20cefe;
  color: #001f3f;
}

/* all the card stuff */
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  padding: 40px;
}

.card {
  background: #041131;
  border-radius: 8px;
  width: 500px;
  height: 160px;
  padding: 25px;
  font-family: 'Courier New', monospace;
  color: #00f0ff;
  cursor: pointer;
}

.card:hover {
  background: #0a0f1c;
}

.question {
  font-size: 16px;
  font-weight: bold;
}

.answer {
  font-size: 15px;
  margin-top: 20px;
  opacity: 0;
}

.card:hover .answer {
  opacity: 1;
}