.video-icon {
    margin-left: 3px;
    display: inline-block;
    width: 24px;
    height: 24px;
    background-image: url('video-icon.png');
    background-size: cover;
    cursor: pointer;
    vertical-align: -5px;
}
.audio-icon {
    margin-left: 3px;
    display: inline-block;
    width: 24px;
    height: 24px;
    background-image: url('audio-icon.png');
    background-size: cover;
    cursor: pointer;
    vertical-align: -5px;
}