estilos.css

body {
	background-color: #99ff66;
	margin: 0;
	padding: 0;
	font-family: sans-serif;
}

.titulos {
 	background-color: #0a0a0a;
 	color: white;
    width: 100%; height: 85%;
    text-align: center;
    opacity: .8;
    border-width: thick;
	border-style: double;
	border-color: #0a0a0a;
}

input[type="text"], input[type="password"], input[type="email"], input[type="date"], input[type="number"], input[type="url"], .seleccion{
	outline: none;
	padding: 20px;
	display: block;
	width: 300px;
	border-radius: 3px;
	border: 1px solid #eee;
	margin: 20px auto;
}

legend {
	padding: 5px;
	background-color: white;
 	color: black;
    width: 340px;
}

.boton{
    padding: 10px;
	color: #fff;
	background: #0098cb;
	width: 320px;
	margin: 20px auto;
	margin-top: 0;
	border: 0;
	border-radius: 3px;
	cursor: pointer;
    display:block;
}

.seleccion {
	width: 340px;
}

#inicio {
	text-align: center;
	width: 500px; height: 250px;
	margin-top: 150px;
	margin-right: 80px;
	margin-bottom: 100px;
	margin-left: 80px;
	font-family: sans-serif;
}

table{ 
    background-color: white;
    text-align: center;
    border-color: black;
    border-radius: 7px;
    margin: 5px;
    display: inline-block;
    padding: 20px;
}

td	{
	padding: 20px;
}