body {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgb(215, 215, 225);
}
#mainBox {
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 25px;
    width: 80vw;
    height: 80vh;
    background: rgba(225, 225, 225);
    text-align: center;
  }
#itemContainer {
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 10px;
    size: 80vh;
    max-block-size: 300px;
    background-color: rgb(235, 235, 235);
    text-align: center;
}
#itemContainer:hover {
    background-color: rgb(220, 220, 220);
}