Changer la couleur de la balise audio

<div class="audio">
     <audio src="audio/rosesblanches.mp3" controls></audio>
     <p>Les roses blanches de Berthe Sylva</p>
</div><!-- /.audio -->

body {
   font-family: 'Tahoma', sans-serif;
   font-size: 16px;
}
.audio {
   position: relative;
   margin: 0 auto;
   width: 460px;
   height: 80px;
   border: 1px solid #000;
   background-color: transparent;
   border-radius: 8px
}
.audio audio {
   width: 400px;
   height: 32px;
   padding-top: 15px;
   margin-left: 30px;
}
.audio p {
   position: absolute;
   width: 458px;
   left: 20%;
   bottom: -10px;
   font-style: italic;
   color: #fff;
}
.audio p:before {
   content: '♬ ';
}