body {
    background-color: darkslategrey;
    text-align: center;
}

/* GAME BOARD STYLES */
#gameContainer {
    /*
      width and height of .gameBoardPixel should 1/40 of the width and height of #gameContainer,
      because it is used in calculation in the jscript.js file
      */
    width: 40vw;
    height: 40vw;
    margin: 2vw auto;
    background-color: #0c1021;
    border: solid 10px slategrey;
    border-radius: 10px;

    -webkit-box-shadow: 0px 0px 20px 3px rgba(0, 0, 0, 0.6);
    -moz-box-shadow: 0px 0px 20px 3px rgba(0, 0, 0, 0.6);
    box-shadow: 0px 0px 20px 3px rgba(0, 0, 0, 0.6);
}

.gameBoardPixel {
    /* background-color: slategrey; */
    /*
      width and height of .gameBoardPixel should 1/40 of the width and height of #gameContainer,
      because it is used in calculation in the jscript.js file
      */
    width: 1vw;
    height: 1vw;
    border-radius: 10px;
    float: left;
}

/* GAME BOARD STYLES END*/

/* SNAKE STYLES */
.snakeBodyPixel {
    background-color: #fd6401;
    box-shadow: 0 0 5px #fd6401;
}

/* SNAKE STYLES END*/

/* FOOD STYLES */
.food {
    background-color: #68e768;
}

/* FOOD STYLES END*/

/* SCORE STYLES */
#scoreContainer {
    width: 40vw;
    display: flex;
    margin: auto;
    justify-content: space-around;
}

.scoreBoard {
    border-radius: 10px;
    border: solid 5px slategrey;
    color: dimgray;
    background-color: #0c1021;
    display: inline-block;
    padding: 1vw;
    width: 40%;

    -webkit-box-shadow: 0px 0px 20px 3px rgba(0, 0, 0, 0.6);
    -moz-box-shadow: 0px 0px 20px 3px rgba(0, 0, 0, 0.6);
    box-shadow: 0px 0px 20px 3px rgba(0, 0, 0, 0.6);
}

/* SCORE STYLES END */

/* Hide #onScreenControllers on desktop */
#onScreenControllers {
    display: none;
}

.developerDetails {
    margin-top: 2vw;
    display: flex;
    flex-direction: column;
    color: #0c1021;
    font-family: monospace;
}

.developerDetails a {
    color: #0c1021;
}

@media only screen and (max-width: 768px) {
    /* MOBILE */
    #gameContainer {
        width: 80vw;
        height: 80vw;
    }

    .gameBoardPixel {
        width: 2vw;
        height: 2vw;
    }

    #scoreContainer {
        width: 80vw;
    }

    #onScreenControllers {
        width: 80vw;
        margin: 0 auto;
        display: flex;
        justify-content: space-evenly;
        align-items: center;
    }

    #onScreenControllers > div {
        display: flex;
        flex-direction: column;
    }

    #onScreenControllers button {
        background-color: transparent;
        height: 20vw;
        width: 20vw;
        font-size: 10vw;
        border: none;
    }

    #onScreenControllers button:focus {
        outline: none;
    }

    #onScreenControllers button:active {
        background-color: slategray;
    }
}