body, html {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  overflow: hidden;
}

body {
  font-family: Roboto, tahoma, verdana, sans-serif;
  font-weight: 300;
  font-size: 10pt;
  background: #000000;
}

a {
  position: absolute;
  left: 5px;
  top: 5px;
  z-index: 10;
  text-decoration: none;
  color: #cecece;
  background: #000000;
  border: #cecece 1px solid;
  border-radius: 3px;
  display: inline-block;
  padding: 4px;
}
a:hover {
  color: #ffffff;
  border-color: #ffffff;
}