"use strict"; var $ = function (id) { return document.getElementById(id); }; window.onload = function () { $("calculate").onclick = processEntry; }; \fme Tax Calculator Enter taxable income: Income tax owed: body { font-family: Arial, Helvetica, sans-serif; background-color: white; margin: 0 auto; width: 500px; border: 3px solid blue; } h1 { color: blue; margin-top: 0; } main { padding: 1em 2em; } label { float: left; width: 10em; text-align: right; } input { margin-left: 1em; margin-bottom: .5em; }