style.css

@font-face {
    font-family: magdacleanmono;
    src: url(font/magdacleanmono-bold.ttf);
}
body {
    color: #FFF;
    background-color: #000;
    height: 100%;
    width: 100%;
    height: 100%;
    position: fixed;
    margin: 0;
    padding: 0;
    text-align: center;
}
p {
    font-family:"magdacleanmono";
    font-size: 2em;
    text-transform: uppercase;
    display: block !important;
}
#main {
    position: absolute;
    display: block;
    width: 100%;
    bottom: 50%;
}
#main hr {
    width: 30px; /* default initial size */
    border-top: 2px solid #FFF;
    border-bottom: none;
}
#main p, #main hr {
    margin-top: 0;
    margin-bottom: 0;
}
#main p.hidden {
    color: #000;
}
#marker {
    position: absolute;
    display: block;
    width: 100%;
    top: 50%;
    vertical-align: top;
}
#triangle {
    color: #F00;
    font-size: 2em;
    font-family: "magdacleanmono";
}

#settings {
    width: 30px;
    height: 30px;
    font-size: 10px;
    position: absolute;
    bottom: 0px;
    right: 0px;
    color: #444;
}

@media(min-width: 900px){

	#main p.hidden {
	    color: #fff;
	}
	body {
	    color: #000 !important;
	    background-color: #fff;
	}
	#main hr {
		border-top: 2px solid #000;
	}
	body, html {
		background-color: rgba(0, 0, 0, 0.56);
		background: -moz-radial-gradient(center, ellipse cover, rgba(255,255,255,0.56) 0%, rgba(127,127,127,1) 100%);
		background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%,rgba(255,255,255,0.56)), color-stop(100%,rgba(127,127,127,1)));
		background: -webkit-radial-gradient(center, ellipse cover, rgba(255,255,255,0.56) 0%,rgba(127,127,127,1) 100%);
		background: -o-radial-gradient(center, ellipse cover, rgba(255,255,255,0.56) 0%,rgba(127,127,127,1) 100%);
		background: -ms-radial-gradient(center, ellipse cover, rgba(255,255,255,0.56) 0%,rgba(127,127,127,1) 100%);
		background: radial-gradient(center, ellipse cover, rgba(255,255,255,0.56) 0%,rgba(127,127,127,1) 100%);
	}

}