*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: monospace;
}
body{
    background: url('https://t4.ftcdn.net/jpg/02/63/87/21/360_F_263872129_23ltKG9UCKBFvvAEgrTuqhgeMFg6lvce.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    display: flex;
    flex-direction: column;
    align-items: center;
}
#gamebox {
border: 2px solid black;
width: 40vw;
height: 40vw;
margin: 20px auto;
background: linear-gradient(45deg, cadetblue, aqua);
display: grid;
grid-template-columns: repeat(18, 1fr);
grid-template-rows: repeat(18, 1fr);
}
.head{
    background-color: red;
    border: 2px solid black;
    border-radius: 5px;
    z-index: 10;
    transition: all 1s ease;
}
.snake{
    background-color: brown;
    border: 2px solid black;
    border-radius: 60px;
}
.food{
    border-radius: 10px;
    border: 2px solid black;
    background: yellow;
}
#mainscores {
    display: inline-block;
    color: white;
    font-size: 2pc;
}