styles.css

#board{
    height: 85vmin;
    width: 87vmin;
    display: grid;
    background-color: #264653;
    grid-template-rows: repeat(20,1fr);
    grid-template-columns: repeat(20,1fr);
    grid-gap: 2px;
    margin-left: 300px;
    margin-top: 50px;
    float: left;
    position: relative;
    
}
#exit{
    height: 85vmin;
    width: 87vmin;
    background-color: #264653;
    margin-left: 300px;
    margin-top: 50px;
    z-index: 2;
    float: left;
    position: absolute;
    display: none;
    border: 5px solid #e76f51;
    color: #e76f51;
}
.head{
    background-color: #e9c46a;
    z-index: 1;
}
.food{
    background-color: #2a9d8f;
}

#board .Sbody{
    background-color: yellow;
}
.boundary{
    background-color: #e76f51;
}
.score{
    float: right;
    margin-right: 200px;
    margin-top: 220px;
    font-weight: bolder;
    font-size: xx-large;
}
h1{
    text-align: center;
}
*{
    font-family: 'Montserrat', sans-serif;
}
button{
    background-color: #e76f51;
    border: none;
    color: #264653;
    padding: 10px;
    margin-left: 200px;
    font-weight: bolder;
    font-size: large;
}
body{
    background-color: #2a9d8f;
    color: #264653;
}
#exit h1{
    margin-top: 170px;
}