body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-image: url('./assets/images/background1.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 100vh;
}

body h1 {
    text-align: center;
    color: #fff;
}

#board {
    border: 5px solid slategray;
    width: 450px;
    height: 450px;
    border-radius: 0.5rem;
    background-color: lightblue;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    transition: 0.4s;
}

#board img {
    width: 50px;
    height: 50px;
    /* border: 1px solid lightgrey; */
}