body, .share-asset{
    margin:0;
    width: 100%;
    height: 100%;
    position: absolute;
}
.image-share-asset{
    margin:0;
    width: 100%;
    height: auto;
    position: absolute;
}
.black-background-asset {
    background-color: black;
}
.audio-share-asset {
    margin: auto;
    position:fixed;
    top:0;
    bottom:0;
    left:0;
    right:0;
}