*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    height: 100vh;
    color: white;
    background-color: #1e1e1e;
    font-family: Arial, Helvetica, sans-serif;
}

h1{
    margin-bottom: 10px;
}

#gameboard{
    width: 400px;
    height: 400px;
    background-color: #222;
    display: grid;
    grid-template-columns: repeat(20,20px);
    grid-template-rows: repeat(20,20px);
    border:2px solid #fff;
    position: relative;
}

.snake{
    background-color: limegreen;
    border: 1px solid #111;
}

.food{
    background-color: red;
    border-radius: 50%;
}

#score{
    margin-top: 10px;
    font-size: 20px;
}