main.css

:root {
	--accent: #80c368;
	--white: #FFF;
	--lGray: #f4f4f4;
	--mGray: #ebebeb;
	--dGray: #878787;
	--pad: 30px;
}

@font-face {
	font-family: typeface;
	src: url(resources/typeface.woff2) format(woff2),
		url(resources/typeface.woff) format(woff);
}

body {
	margin: calc(3 * var(--pad)) 5%;
	background-color: var(--lGray);
	font-family: typeface;
}

nav {
	position: fixed;
	top: 0;
	width: 100%;
	padding: 0 5%;
	left: 0;
	height: 57px;
	background-color: var(--lGray);
	border-bottom: 3px solid var(--mGray);
}

nav a {
	border: none;
	float: left;
	display: flex;
	height: 100%;
	align-items: center;
	justify-content: center;
	padding: 0 22px;
	font-weight: bold;
	text-decoration: none;
	color: var(--dGray);
}

#curr {
	color: var(--accent);
	border-bottom: 3px solid var(--accent);
}

#curr, nav a:hover {
	background-color: var(--mGray);
	cursor:pointer;
}

main {
	padding: var(--pad);
	border-radius: 10px;
	box-shadow: 0 4px 8px 0 var(--mGray);
	background-color: var(--white);
}

ol img {
	width: 500px;
	padding-bottom: 10px;
	border-radius: 15px;
}

#tool {
	display: inline-block;
	width: 100%;
}

#left {
	width: calc(100% - 256px - var(--pad));
	float: left;
}

#left input, #left button {
	border-radius: 5px;
	height: var(--pad);
	padding: 0;
	margin: 0 0 10px 0;
	font-size: 1em;
	font-family: typeface;
}

input {
	width: calc(100% - 120px);
	border: 1px solid var(--mGray);
}

button {
	width: 100px;
	border: none;
}

button, footer {
	background-color: var(--accent);
	color: var(--white);
}

button:hover {
	background-color: var(--dGray);
	color: var(--lGray);
	cursor:pointer;
}

button:active {
	background-color: var(--mGray);
	color: var(--dGray);
}

#qrcode {
	float: right;
	width: 256px;
	height: 256px;
}

#key {
	overflow-wrap: break-word;
}

#faq {
	display: none;
}

footer {
	position: fixed;
	display: flex;
	left: 0;
	bottom: 0;
	width: 100%;
	height: 60px;
	align-items: center;
	justify-content: center;
}

footer a {
	color: var(--white);
}