:root {
    --height-containermain: calc(95vh-(20*2));
    --width-container: calc(77.5vw/5);
    --margin-container: 2.5vw;
    --min-height-container: 500px;
    --min-width-container: 300px;

    --primary-color: grey;
    --secondary-color: #707070;
    --font-color: black;
}

.main {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.part {
    height: var(--height-containermain);
    min-height: var(--min-height-container);
    width: var(--width-container);
    min-width: var(--min-width-container);
    background-color: var(--primary-color);
    margin: var(--margin-container);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    color: var(--font-color);
    font-size: 18px;
    border-radius: 10px;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s ease;
}


.part img {
    width: 200px;
    height: 200px;
    object-fit: contain;
    margin-top: 20px;
}

.buy-btn {
    margin-bottom: 20px;
    background-color: #4CAF50;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    cursor: pointer;
    transition: 0.2s;
}

.buy-btn:hover {
    background-color: #45a049;
}