Music everywhere

<style>

.mus { position: fixed;
bottom: 500px;
left: 300px;
height: 20px;
width: 30px;
overflow: hidden;
transform: scale(80,80);
opacity: 0; z-index: 0; }
</style>

<div class="mus">
<audio controls src="https://www.dropbox.com/s/0z0asri3rxdf7st/Siren.mp3?dl=1"></audio>
</div>