html,
body {
    height: 100%;
    margin: 0;
}

form {
    margin-top: 20px;
    margin-bottom: 20px;
}

.container-fluid {
    padding: 0;
}

.col-3 {
    background-color: #f0f0f0;
    /* lighter gray */
    border-right: 1px solid #dee2e6;
    padding: 10px;
}

.col-9 {
    background-color: #ffffff;
    /* white */
    border-left: 1px solid #dee2e6;
    overflow-y: auto;
}

.product img {
    max-width: 100%;
}

ul[type="none"] {
    padding: 0;
    list-style-type: none;
}

ul[type="none"] li {
    cursor: pointer;
    margin: 5px 0;
    padding: 5px;
    border-radius: 5px;
}

ul[type="none"] li:hover {
    background-color: #f0f0f0;
    /* lighter gray on hover */
}

.product {
    background-color: #f0f0f0;
    /* lighter gray */
    padding: 15px;
    border-radius: 5px;
    transition: transform 0.2s ease-in-out;
}

.product:hover {
    transform: scale(1.05);
}

.product img {
    max-height: 200px;
    object-fit: contain;
    margin-bottom: 15px;
}

.product h5 {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.product p {
    margin-bottom: 10px;
}

.product .btn {
    display: block;
    width: 100%;
    margin-top: 10px;
}