div.bgplayerui{ /* Audio player UI DIV */

}

div.bgplayerui .play, div.bgplayerui .rewind{ /* Audio player UI buttons style */
cursor: pointer;
}


div.bgplayerui div.volume{ /* Volume control container */
display: inline-block;
height: 18px;
overflow: hidden;
}

div.bgplayerui div.volume div{ /* Individual volume bars within Volume container */
float: left;
width: 5px;
height: 100%;
line-height: 100%;
margin-right: 2px;
border: 1px solid black;
background: white;
cursor: pointer;
-moz-box-shadow: inset 1px 1px 2px gray;
}

div.bgplayerui div.volume div.on{ /* Style of volume bar when it's on */
background: red;
}