style.css

header {
	background: #5CBF5F;
	padding: 20px 0;
}

.logo {
	widht: 50px;
	height: 50px;
}

.caixa {
	position: relative;
	width: 940px;
	margin: 0 auto;
}

nav {
	position: absolute;
	top: 20px;
	right: 0;
}

nav li {
	display: inline;
	margin: 0 0 0 30px;
}

nav a {
	text-transform: uppercase;
	color: #000000;
	font-weight: bold;
	font-size: 22px;
	text-decoration: none;
}

h2 {
	font-size: 2em;
}

footer {
	text-align: center;
	font-size:  20px;
	background: url("bg.jpg");
	padding: 40px 0;
}

main {
	width: 940px;
	margin: 0 auto;
}

form {
	margin:  40px 0;
}

form label, form legend {
	display:block;
	font-size: 20px;
	margin:0 0 10px;
}

.input-padrao {
	display: block;
	margin: 0 0 20px;
	padding: 10px 25px;
	width: 50%;
}

.checkbox {
	margin: 20px 0;
}

.enviar {
	width: 40%;
	padding: 15px 0;
	background: #51F035;
	color: white;
	font-weight: bold;
	font-size: 18px;
	border: none;
	border-radius: 5px;
	transition: 2s all;
	cursor: pointer;
}

.enviar:hover {
	background: #308025;
	transform: scale(1.2);
}

table {
	margin: 20px 0 40px;
}

thead {
	background: #3BBD2A;
	color: white;
	font-weight: bold;
}

td, th {
	border: 1px solid black;
	padding: 8px 15px;
}