.video-js .vjs-big-play-button {
    border: none;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.45);
    color: #fff;
    width: 2.5em;
    height: 2.5em;
    font-size: 4em;
    line-height: 2.5em;
    top: 50%;
    left: 50%;
    margin-left: -1.25em;
    margin-top: -1.25em;
}

.video-js:hover .vjs-big-play-button {
    background-color: #31b8dd;
}

.vjs-paused.vjs-has-started .vjs-big-play-button {
    display: block;
}

.tap-for-audio {
    color: white;
    text-shadow: 0 0 2px black;
    font-size: 24px;
    font-weight: bold;
    width: 100%;
    position: absolute;
    bottom: 30px;
    text-align: center;
}