section {

    display: grid;
    grid-template-columns: repeat(8, 1fr);
    grid-template-rows: repeat(6, 1fr);

    gap: 10px;

}

section .box {

    display: flex;
    align-items: center;
    justify-content: center;
    
    background: #2C3E50;
    color: white;

    font-family: 'Roboto';
    font-size: 3rem;

    text-shadow: 0 0 10px black;
    
    width: 100px;
    height: 100px;

    border: 0;
    border-radius: 5px;

    cursor: pointer;

    transition: 0.2s;

}

section .box:hover {

    background: #2ED573;

    box-shadow: 0 0 10px black;

    border-radius: 10px;

}

section .box.active,
section .box.active:hover {

    background: #FF4757;
    color: white;

    cursor: not-allowed;

    text-shadow: none;

    border: 0;
    box-shadow: 0 0 0 transparent;

}