@import url('https://fonts.googleapis.com/css2?family=Bubbler+One&display=swap');

body {
	margin: 0;
	font-family: 'Bubbler One', sans-serif;
	font-size: larger;
}

#top {
	background-image: url(../img/air.jpg);
}

header {
	padding: 0.5em 1em;
}

a {
	text-decoration: none;
}

a:hover {
	text-decoration: underline;
}

#site_menu {
	padding: 0.5em 1em;
	background-color: rgba(173, 216, 230, 0.6); /* lightblue */
}

#site_menu ul {
	display: flex;
	list-style-type: none;
	margin: 0;
	padding: 0;
}

#site_menu ul li {
	margin-right: 1em;
}

input, button {
	font-size: inherit;
	font-family: inherit;
}

fieldset {
	border: 1px dashed gray;
	border-radius: 0.5em;
	text-align: center;
	margin: 0.5em 1em;
	padding: 2em 1em;
}

fieldset legend  {
	text-align: left;
	color: gray;
}

fieldset button {
	min-height: 2em;
}

#main_content {
	display: flex;
}

form {
	flex: 1 1 auto;
}

#help {
	display: none;
	font-size: initial;
	min-width: 20em;
	background-color: lightgray;
	border-radius: 1em;
	margin: 1em;
}

#help h2 {
	padding: 0.5em 1em;
}

#site_footer {
	display: flex;
	justify-content: space-between;
	background-color: lightblue;
	margin-top: 0.5em;
	padding: 0.5em 1em;
}