.nav-tabs .nav-link.active {
    font-weight: bold;
    background-color: #f8f9fa;
    border-bottom: 3px solid #0d6efd;
}
.tab-content {
    background-color: #f8f9fa;
    padding: 20px;
    border-left: 1px solid #dee2e6;
    border-right: 1px solid #dee2e6;
    border-bottom: 1px solid #dee2e6;
    border-radius: 0 0 5px 5px;
}
.image-preview {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border: 1px dashed #ccc;
    margin-right: 10px;
    margin-bottom: 10px;
    cursor: pointer;
}
.image-preview:hover {
    border-color: #0d6efd;
}
.required-field::after {
    content: " *";
    color: red;
}