* {
    -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
    outline: none;
    box-sizing: border-box;
}

html,
body {
    display: table;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    margin: 0;
    background: #c800a0;
    background: #000000;
}

.content {
    display: table-cell;
    width: 100%;
    height: 100%;
    margin: 0;
    vertical-align: middle;
}

.video-holder {
    display: block;
    width: auto;
    height: 100vh;
    height: 100dvh;
    max-width: 100vw;
    max-height: 100vh;
    max-height: 100dvh;
    margin: 0 auto;
    padding: 30px;
    outline: none;
    cursor: pointer;
}

.play {
    display: block;
    width: 9rem;
    height: 9rem;
    margin: 0;
    position: absolute;
    top: calc(50% - 4.5rem);
    left: calc(50% - 4.5rem);
    z-index: 1;
    cursor: pointer;
    animation: pulse 1.2s infinite ease;
}

@keyframes pulse {
    0%   { transform: scale(1);   }
    50%  { transform: scale(1.2); }
    100% { transform: scale(1);   }
}

.play.hidden {
    display: none;
}

@media only screen and (max-width: 1280px) {
    .video-holder { padding: 0; }

    .ios .play {
        width: 12rem;
        height: 12rem;
        top: calc(50% - 6rem);
        left: calc(50% - 6rem);
    }
}