geometria-solida/main.css

@import url(http://fonts.googleapis.com/css?family=PT+Serif:400,700);

body {
	font-family: "PT Serif", serif;
	font-size: 1.1em;
	color: #555;
	background: #777;
}

h1 {
	text-transform: uppercase;
	text-align: center;
}

h1, h2{
	color: #454545;
}

p {
	margin-top: 2em;
	margin-bottom: 2em;
}

a {
	transition: color .2s ease
}

a:link, a:visited {
	color: #fff;
	text-decoration: none
}
a:hover {
	color: #aaa;
	text-decoration: underline;
}

img {
	display: block;
	width: 25em;
	margin-left: auto;
	margin-right: auto;
	border: 6px solid #dfdfdf;
	border-radius: 5px;
}

td > img {
    border: none;
    width: 5em;
}

table {
    padding: 0;
    width: 35em;
}

table tr {
    border-top: 1px solid #cccccc;
    background-color: white;
    margin: 0;
    padding: 0;
}

table tr:nth-child(2n) {
    background-color: #f8f8f8;
}

table tr th {
    font-weight: bold;
    border: 1px solid #cccccc;
    text-align: left;
    margin: 0;
    padding: 6px 13px;
}

table tr td {
    border: 1px solid #cccccc;
    text-align: left;
    margin: 0;
    padding: 6px 13px
}

table tr th :first-child, table tr td :first-child {
    margin-top: 0;
}

table tr th :last-child, table tr td :last-child {
    margin-bottom: 0;
}

#container {
	width: 38em;
	margin: 2em;
	margin-left: auto;
	margin-right: auto;
	background: #fff;
	padding: 3.5em;
	border-radius: 3px;
	box-shadow:  0 4px 5px 0 #555
}

footer {
	text-align: center;
	margin: auto;
	margin-top: 2em;
	margin-bottom: 2em;
	padding: .5em;
	width: 25em;
	border-top: 2px solid #fff;
	font-size: .9em;
}