div.controlArea{
    display: flex;
    justify-content: space-between;
}
div, .container, .navbar-brand{
	background-color:var(--light); color:var(--dark);}
body{--light: black; --dark: white; color: var(--dark);}
pre{color: var(--dark);}
#chordarea canvas {filter: invert(180);}