:root {
	--color-button: #3CCFCF;
	--incorrect-bg: rgba(255, 35, 0, 0.1);
	--incorrect-outline: #FF9C8C;
	--correct-bg: rgba(35, 178, 109, 0.1);
	--correct-outline: #23b26d;
}

* {
	box-sizing: border-box;
}

html, body {
	position: relative;
	width: 100%;
	height: 100%;
	background-color: #f6f7fb;
	overflow: hidden;
	/* TODO: if I cared about iOS, I would fix the bug where the content is cut off at the bottom */
}

body {
	color: #333;
	background-color: #eeeeee;
	margin: 0;
	padding: 0;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

a {
	color: rgb(0,100,200);
	text-decoration: none;
}

a:hover {
	text-decoration: underline;
}

a:visited {
	color: rgb(0,80,160);
}

label {
	display: block;
	width: fit-content;
	margin: auto;
}

input, button, select, textarea {
	font-family: inherit;
	font-size: inherit;
	padding: 0.4em;
	border: 1px solid #ccc;
	border-radius: 2px;
}

input:disabled {
	color: #ccc;
}

button {
	color: #333;
	background-color: #f4f4f4;
	outline: none;
	border-radius: 8px;
	cursor: pointer;
}

button:disabled {
	color: #999;
}

button:not(:disabled):active {
	background-color: #ddd;
}

button:focus {
	border-color: #666;
}

h3 {
	margin: 0 0 1em 0;
}

/* width */
::-webkit-scrollbar {
	width: 5px;
}

/* Handle */
::-webkit-scrollbar-thumb {
	background: #ccc;
	border-radius: 5px;
}

/* Handle on hover */
::-webkit-scrollbar-thumb:hover {
	background: #8d8d8d;
}