body{
    height: 100vh;
    width: 100vw; 
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: black;
    margin: 0;
}
#game-board{
    background-color: blanchedalmond;
    width: 100vmin;
    height: 100vmin;
    display: grid;
    grid-template-rows: repeat(21, 1fr);
    grid-template-columns: repeat(21, 1fr);
}
.snake{
    background-color: cadetblue;
    border: .25vmin solid black;
}
.food{
background-color: red;
border: .25vmin solid black;
}