basic.css

* {
	vertical-align: baseline;
	box-sizing: border-box;
	line-height: 1.5;
	list-style: none;
	font-size: 100%;
	font: inherit;
	padding: 0;
	margin: 0;
	border: 0;
}

html,
body {
	font-family: "Helvetica Neue", Helvetica, 'Open Sans', Orbitron, Black Ops One, Audiowide, Fugaz One, Ceviche One, Rock Salt, Arial, Helvetica, 'Varela Round', sans-serif;
	background: white;
	line-height: 1.6;
	display: block;
	color: #3a3a3a;
}

audio,
canvas,
progress,
video {
	display: inline-block;
}

a,
button,
input[type="button"] {
	color: rgba(0, 0, 0, .5);
	text-decoration: none;
	cursor: pointer;
	outline: 0;
}

a:active,
a:hover,
button:active,
button:hover,
input[type="button"]:active,
input[type="button"]:hover {
	color: rgba(50, 50, 50, .5);
}

.btn {
	line-height: 1.42857143;
	display: inline-block;
	text-align: center;
	border-radius: 2px;
	padding: 6px 12px;
	margin-bottom: 0;
	font-weight: 400;
	font-size: 14px;
	cursor: pointer;
}

.btn:hover {
	background: rgba(0,0,0,.5);
	color: white;
}

.btn-default {
	border: 1px solid gray;
	color: #333;
}

.btn-success {
	background: green;
	color: white;
}

.btn-error {
	background: red;
	color: white;
}

textarea,
code,
kbd,
pre {
	font-family: Menlo, Monaco, Consolas, "Courier New", monospace;
	font-size: 1em;
}

pre {
	white-space: pre-wrap;
	word-break: break-all;
	word-wrap: break-word;
	font-weight: 100;
	font-size: 13px;
	overflow: auto;
	padding: 0;
	margin: 0;
}

pre code {
	white-space: pre-wrap;
}