:root {
	--page-color: antiquewhite;
	--background-color: white;
	--text-color: black;
	--shadow-color: black;
}

* {
	box-sizing: border-box;
}

div.flex {
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	align-items: center;
	gap: 10px;
}

div.grid {
	display: grid;
	align-items: center;
	gap: 10px;
}

body {
	min-height: 100vh;
	background-color: var(--background-color);
	padding: 20px;
}

main {
	margin-left: auto;
	margin-right: auto;
	background-color: var(--page-color);
	color: var(--text-color);
	padding: 10px;
	border: 1px solid var(--text-color);
	border-radius: 10px;
	box-shadow: 5px 5px 5px var(--shadow-color);
	width: fit-content;
	max-width: max(50%, 720px);
}

main > form > * {
	margin-top: 10px;
}

input, select {
	width: fit-content;
}

input[type="number"] {
	min-width: 6ch;
}

input[type="text"] {
	min-width: 20ch;
}

h1 {
	text-align: center;
}