body {
    margin: 0 auto;
    background-color: #fff;
    max-width: 600px;
    border: 1px solid #f5f5f5;
}

.page-header {
    position: sticky;
    top: 0;
    left: 0;
    z-index: 100;
    padding: 15px;
    border-bottom: 10px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    text-align: center;
    font-size: 18px;
}

.page-header h1 {
    font-size: 18px;
}

.back-button {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: white;
    text-decoration: none;
    font-size: 20px;
    z-index: 1;
}

.card img {
    height: 160px;
    object-fit: cover;
}

h2.card-title {
    font-size: 1.2rem;
    font-weight: bold;
    text-align: center;
    margin: 0;
}

.hold {
    position: fixed;
    right: 0;
    left: 0;
    top: 0;
    margin: 0 auto;
    max-width: 600px;
}