img {
	width: calc(min(100%, 800px));
	border-radius: 0.25em;
	border-style: none;
}

button {
	font: inherit;
	cursor: pointer;
	text-decoration: none;
	color: black;
}

.visually-hidden {
	overflow: hidden;
	width: 0;
	height: 0;
	display: block;
	left: 50%;
	position: absolute;
	transform: translateY(-100%);
}

.button-link {
	background: none;
	border: none;
	padding: 0;
	font: inherit;
	cursor: pointer;
	text-decoration: underline;
	color: blue;
}

ul.navbar {
	list-style-type: none;
	background-color: #c0c0c4;
	margin: 0;
	padding: 0;
	display: flex;
}

ul.navbar li {
	display: inline;
	margin: 0;
	padding: 0;
}

ul.navbar button {
	background-color: #c0c0c4;
	border: none;
	padding: 1em 1.5em;
	font: inherit;
	cursor: pointer;
	text-decoration: none;
	display: block;
	color: black;
}

ul.navbar button:hover {
	background-color: #a0a0a4;
}

input[type="text"], input[type="email"], textarea {
	display: block;
	width: calc(min(100% - 1em, 800px));
}

input[type="text"], input[type="email"], input[type="button"], textarea, button {
	border-radius: 0.25em;
	border-width: thin;
	border-style: solid;
	border-color: gray;
	padding: 0.25em 0.5em;
}

textarea {
	height: 10em;
}

label {
	margin-top: 0.5em;
	display: block;
}

html, body {
	background-color: #404044;
	height: 100%;
	margin: 0;
	padding: 0;
}

#root-head {
	margin: 0 auto;
	padding: 0;
	background-color: #e0e0e0;
	display: block;
	max-width: calc(max(80%, 800px));
	min-height: 100%;
}

#root-body {
	padding: 1em;
}