body{
  font:normal 75% Arial, Helvetica, sans-serif;
}

canvas{
  display:block;
  vertical-align:bottom;
}


#particles-js{
  width: 100%;
  height: 100%;
  padding-top:5px;
  background-color: rgba(0,0,0,1);
  background-image: url('../img/imagenes/textura5.jpg');
  background-size: cover;
  background-position: 50% 50%;
  background-repeat: no-repeat;
  position: fixed;
}
/*.capa_gris{
  width: 100%;
  height: 100%;
  position:fixed;
  background-color: rgba(0,84,122,.3);

  background-color: rgba(0,95,158,.25); azul oscuro
}*/