.zs-html5-video-wrapper {
    width: 100%;
    line-height: 0;
}

.zs-html5-video {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    background-color: #000;
}

.zs-html5-video-placeholder {
    padding: 24px;
    text-align: center;
    color: #666;
    background: #f5f5f5;
    border: 1px dashed #ccc;
    border-radius: 4px;
}