body {
    background: black;
    color: white;
    font-family: serif;
    margin: 0;
    padding: 0;
}

h2 {
    text-align: center;
    margin: 20px 0;
    font-size: 40px;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    border-bottom: 2px solid white;
    background-color: #333;
}

.logo img {
    width: 110px;
    height: auto;
}

.navbar a {
    text-decoration: none; 
    color: white; 
    font-size: 20px;
    font-style: Sans-serif; 
    font-weight: bold; 
    padding: 5px 20px; 
    border-radius: 3px; 
    transition: background 0.2s, color 0.1s; 
}

.navbar a:hover {
    background: brown; 
    color: white; 
}

.navbar div button {
    padding: 10px 15px;
    margin-left: 10px;
    border: 2px solid white;
    background: transparent;
    color: white;
    font-size: 16px;
    cursor: pointer;
    border-radius: 5px;
    transition: all 0.3s ease-in-out;
}

.navbar div button:hover {
    background: white;
    color: black;
}

.product-container {
    background-color: #3c3c3c;
    border-radius: 10px;
    padding: 20px;
    margin: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid #666;
}

.product-container img {
    width: 100px;
    border-radius: 8px;
}

.size-buttons button {
    background-color: transparent;
    color: white;
    border: 1px solid white;
    padding: 5px 10px;
    cursor: pointer;
    margin: 5px;
}

.size-buttons button.active {
    background-color: white;
    color: black;
}

.quantity-container {
    display: flex;
    align-items: center;
}

.quantity-container button {
    background-color: transparent;
    color: white;
    border: 1px solid white;
    padding: 5px 10px;
    cursor: pointer;
    margin: 5px;
}

.quantity-container input {
    background-color: transparent;
    color: white;
    border: none;
    width: 40px;
    text-align: center;
}

.purchase-container {
    text-align: center;
    padding: 20px;
    background-color: #1c1c1c;
    border-top: 1px solid white;
}

.purchase-button {
    background-color: white;
    color: black;
    border: none;
    padding: 10px 20px;
    font-size: 18px;
    cursor: pointer;
    border-radius: 5px;
}

.purchase-button:hover {
    background-color: #ddd;
}