:root {
	--black: rgba(0, 0, 0, 0.9);
	--light-gray: rgba(0, 0, 0, 0.1);
}

body,
input {
	font-family: sans-serif;
	color: var(--black);
}

body {
	padding: 1em;
	font-family: sans-serif;
}

input {
	text-align: right;
	font-size: 1em;
	border: none;
	border-bottom: 1px solid var(--light-gray);
	outline: 0;
	transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
}

input:focus {
	border-bottom: 1px solid var(--black);
}

table {
	border-collapse: collapse;
}

table caption {
	margin-top: 1em;
	margin-bottom: 1em;
	font-style: italic;
}

td {
	padding: 0.5em 1em;
}

.text-right {
	text-align: right;
}

.table-responsive {
	width: 100%;
	overflow-y: hidden;
	overflow-x: auto;
}

table.installments {
	width: 100%;
}

table.installments td {
	padding: 4px 1em;
	border-top: 1px solid silver;
	white-space: nowrap;
}
body.split-output #output > .active {
	float: none;
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. https://tomazy.github.io/xcell/examples/mortgage/bundle.js