body {
	margin: 0;
	background: darkgray;
	overflow: hidden;
	display: flex;
	justify-content: center;
	align-items: center;
}

#verticalButtons {
	display: flex;
	flex-direction: column;
}

button {
	border: none;
	border-radius: 5px;
	padding: 5px 5px 7px 5px;
	margin: 2px;
	cursor: pointer;
}
button:hover {
	background: blue;
}

#networkCanvas {
	background: black;
}
#carCanvas {
	background: lightgray;
}
.dropdown {
	display: flex;
	flex-direction: column;
	align-items: center;
	margin: 2px;
	border: none;
	border-radius: 5px;
	background: whitesmoke;
	padding: 2px;
}