function randomColor() {
    var h = Math.floor(Math.random() * 361);
    var s = Math.floor(Math.random() * 101);
    var l = Math.floor(Math.random() * 101);
    return "hsl(" + h + ', ' + s + '%' + ', ' + l + '%' + ")";
}

function changeColors(color){
    //loop through all squares
    for(var i = 0; i < squares.length; i++){
        //change each color to match given color

    }
}