body {
	background-color: #1a1a1a;
	color: #fff;
	font-family: Arial, sans-serif;
	margin: 0;
	padding: 0;
}

.container {
	max-width: 800px;
	margin: 0 auto;
	padding: 20px;
}

h1 {
	margin-top: 0;
}

.input-group {
	margin-bottom: 10px;
}

label {
	display: inline-block;
	width: 150px;
}

input[type="number"],
input[type="text"] {
	padding: 5px;
	border-radius: 5px;
	border: none;
	background-color: #fff;
	color: #000;
	font-size: 16px;
	width: 200px;
}

button {
	padding: 10px 20px;
	background-color: #4CAF50;
	color: #fff;
	border: none;
	border-radius: 5px;
	font-size: 16px;
	cursor: pointer;
}

button:hover {
	background-color: #3e8e41;
}

#weighted-result, #average-result {
	margin-top: 10px;
	font-size: 18px;
}

#average-input {
	margin-top: 10px;
}