.auction-box {
    border: 2px solid #333;
    padding: 20px;
    max-width: 500px;
    background: #f4f4f4;
    margin-bottom: 20px;
}

.auction-box img {
    width: 100%;
    height: auto;
    margin-bottom: 15px;
}

.reserve-met {
    color: green;
    font-weight: bold;
}

.reserve-not-met {
    color: red;
    font-weight: bold;
}

.auction-box input {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
}

.auction-box input[type="submit"] {
    background: #28a745;
    color: white;
    border: none;
    cursor: pointer;
}

.auction-box input[type="submit"]:hover {
    background: #218838;
}

.countdown {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
}