style.css

 @import url('https://fonts.googleapis.com/css?family=Roboto:400,700');
.wrapper{
    margin: auto 5%;
}
.torrent{
  margin: auto 5%;
  /*margin-top: 20px;*/
  border-left-width: 2px;
  border-left-style: solid;
  border-left-color: #673AB7;
}
.container-fluid .row h1{
  text-align: center;
  font-family: 'Roboto', sans-serif;
  /*text-shadow: 2px 2px red;*/
  font-size: 60px;
}
.progress-bar{
  background-color: #3ADF00;
}

.jumbotron{
  background-color: #9E9E9E;
  text-align: center;
}

#dragSection h2{
  text-align: center;
}
.cuadrado{
  width: 230px;
  height: 220px;
  border-color: red;
  background-color: yellow;
}

.ocultar{
  display: none;
}

#songs_queue li{
  cursor:pointer;
  list-style: none;
}

.footer{
  position: fixed;
  left: 0;
  bottom: 0;
  height: 30px;
  width: 100%;
  padding-bottom: 50px;
}
#audio{
    height: 28px;
    margin:0 25%;
    width: 50%;
}

.barraProgresoAudio{
  height: 2px;
  width: 0;
  background-color: #BDBDBD;
}