index.html
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
</head>
<body>
<span id="answer" style="text-align:center;display:block;width:100%"></span>
<script>
var color = "#00588e"
var theAnswer = 42;
d3.select("#answer").text(theAnswer)
.style({color: color, "font-size": "442px"})
var decimal = 46.5;
var tinyDecimal = 0.060928;
var noZero = .-36;
var hsl = "hsl(133,100%,90%)";
d3.select("body").style("background-color", hsl);
var rgb = "rgb(0,229,91)";
</script>
</body>