table, tr, td, div, span, button, form, img, a, ul, li, h1, h2, h3, h4, h5, h6{
  display: inline;
  float:left;
  color: #686868;
  margin: 0px;
  padding: 0px;
}
body {
  font-family: Arial;
  font-size: 75%;
  color: #686868;
  background:#201f25;
  width: 90%;
}
#contenitore {
  width: 51%;
  margin: 0px 0px 0px 0px;
}
#contenitore_tasti {
  margin: 0px 0px 0px 0px;
}