.highlight-heading {
    background-color: #ffc107;
    padding: 10px;
    border-radius: 5px;
    font-size: 1.3rem;
    font-weight: bold;
    color: #212529;
    margin-bottom: 20px;
}

/* Mobile tweaks */
@media (max-width: 576px) {
    .highlight-heading {
        font-size: 1.1rem;
        padding: 8px;
    }
    .form-control, .form-select {
        font-size: 0.9rem;
    }
    header .logo {
        font-size: 1.2rem;
    }
}
.topic-img {
  max-width: 300px;
  width: 100%;
  height: auto;
}