body {
	margin: 20px;
	background: #FFF;
	font-family: sans-serif;
}
main {
	display: grid;
	width: 100%;
	grid-template-columns: .6fr 1.4fr;
	grid-gap: 20px;
}
iframe {
	border: 1px solid #777;
	width: 100%;
	margin-top: 20px;
	border-radius: 3px;
}

h1 {
	margin: 0;
}
#about {
	display: block;
	margin: 0 0 30px;
}
h2 {
	margin-top: 0;
}

label {
	display: inline-block;
	margin-top: 6px;
}
input[type=url] {
	width: 100%;
	box-sizing: border-box;
}
input[type=url], select {
	padding: 4px 6px;
	background-color: inherit;
	font: inherit;
	font-size: .9em;
	border: 1px solid #777;
	border-radius: 3px;
}
input[type=color], button {
	padding: 4px 6px;
	border: 1px solid #777;
	border-radius: 3px;
	background: none;
}

.palette-btn {
	width: 50px;
	height: 50px;
	border: 2px solid #ccc;
	border-radius: 6px;
	cursor: pointer;
	transition: all 0.2s ease;
	font-size: 0.75em;
	color: white;
	font-weight: bold;
	display: flex;
	align-items: center;
	justify-content: center;
	text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.palette-btn:hover {
	transform: scale(1.05);
	border-color: #333;
	box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.palette-btn:active {
	transform: scale(0.98);
}

input[type=number] {
	width: 80px;
	padding: 4px 6px;
	font-size: .9em;
	border: 1px solid #777;
	border-radius: 3px;
}

@media screen and (max-width: 650px) {
	main {
		display: block;
	}
	#embed {
		margin-top: 20px;
	}
}