.contenedor-visualizador {
  width: 100%;
  max-width: 1500px;
  margin: 0 auto 20px auto;
  background-color: #05070f;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: inset 0 0 20px rgba(0,0,0,0.8);
}
#osciloscopio {
  display: block;
  width: 100%;
  height: 140px;
}