a, a:visited, a:active {
    color: #444;
}

p {
  font-family: Arial, Helvetica, sans-serif;
}

h1{
  text-align: center;
}
h2{
  text-align: center;
}

#text{
  padding: 50px;
  background-color: beige;
}

#autor {
  text-align: center;
  font-size: 12px;
}

#filter {
  padding: 4px 5px;
  cursor: pointer;
  text-align: center;
  font-size: 13px;
  border: 1px solid #e0e0e0;
  text-decoration: none;
}
#year {
  padding: 4px 5px;
  cursor: pointer;
  text-align: center;
  font-size: 13px;
  border: 1px solid #e0e0e0;
  text-decoration: none;
}

#filters{
  float: left;
  margin-right: 30px;
  margin-left: 30px;
}

.xtitles{
  font-size: 16px;
  fill: #aaa;
  cursor: default;
}

.ytitles{
  font-size: 16px;
  fill: #aaa;
  cursor: default;
}

.container {
    max-width: 1200px;
    margin: auto;
  }
  
.button {
    min-width: 130px;
    padding: 4px 5px;
    cursor: pointer;
    text-align: center;
    font-size: 13px;
    border: 1px solid #e0e0e0;
    text-decoration: none;
    font-family: Arial, Helvetica, sans-serif;
}

.button.active {
    background: #000;
    color: #fff;
}

#vis {
    width: 1240px;
    height: 820px;
    clear: both;
    margin-bottom: 10px;
}

#toolbar {
    margin-top: 10px;
}

.tooltip {
	position: absolute;
	font-family: Arial, Helvetica, sans-serif;
  -moz-border-radius:5px;
	border-radius: 5px;
  border: 2px solid #000;
  background: #fff;
	opacity: .9;
  color: black;
	padding: 10px;
	width: 150px;
	font-size: 12px;
	z-index: 10;
}