.quiz-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
gap: 20px;
margin-top: 24px;
}

.quiz-card {
background: #fff;
border: 3px solid #ddd;
border-radius: 30px;
padding: 20px;
text-align: center;
transition: all 0.2s ease;
box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.quiz-card:hover {
border-color: #0b74ff;
box-shadow: 0 6px 6px rgba(0,0,0,0.5);
transform: translateY(-6px);
}

.quiz-card a {
display: block;
font-weight: 600;
font-size: 1.1em;
color: #0b74ff;
text-decoration: none;
}

.quiz-card a:hover {
text-decoration: bold;
}

.quiz-card small {
  display: block;
  margin-top: 8px;
  font-size: 0.85em;
  color: #777;
}