style.css

body {
	font-family: Arial, sans-serif;
	margin: 0;
	padding: 0;
	background-color: #f4f4f4;
	text-align: center;
}

.container {
	text-align: center;
}

button {
	padding: 10px 20px;
	margin: 5px;
	font-size: 16px;
	cursor: pointer;
	border-radius: 10px;
	border: none;
	background-color: darkolivegreen;
	color: #f4f4f4;
}

#resultadoConversao,
#resultadoCotacao {
	margin-top: 20px;
	font-size: 18px;
	font-weight: bold;
}

#section2,
#section1,
#section3 {
	padding-top: 100px;
}

#section2,
#section3 {
	display: flex;
	flex-direction: column;
	max-width: 600px;
	justify-content: center;
	align-items: center;
	gap: 10px;
	margin: 0 auto;
}

input,
select {
	border-radius: 5px;
	height: 20px;
	margin-bottom: 15px;
}

#section3 {
	padding-bottom: 100px;
}

#footer {
	height: 80px;
	background-color: darkolivegreen;
	color: #f4f4f4;
	padding: 10px 0px 10px;
}

#navbar,
ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	gap: 20px;
}

#navbar {
	background-color: darkolivegreen;
	padding: 20px;
	display: flex;
	justify-content: center;
	flex-direction: row;
	align-items: flex-start;
	width: 100%;
	top: 0;
	position: fixed;
	z-index: 1000;
}

li {
	margin-right: 20px;
}

a {
	text-decoration: none;
	color: white;
	font-weight: bold;
}

button:hover,
button:active {
	background-color: #98fb98;
	color: black;
}