div#content table, div#content div#addlivro {
  margin:.5em 3em;
  width:500px;
}
div#content table {
  border:0;
}
div#content tr {
  padding:0;
  margin:0;
font-family:Verdana,sans-serif;
font-size:13px;
}

div#content td.a {
  background-color: #fff;
}
div#content td.b {
  background-color: #fafafa;
}
div#content td {
  border:0;
  padding: 0.30em;

}
div#content tr td p {
	margin:0;
	text-align:justify;

}
div#content h1, div#content h2 {
font-family:Tahoma,sans-serif;
text-align:center;
}
div#content h2 {
margin-bottom:1em;
font-size:12px;
}