CODE EXAMPLE FOR HTML

html video tag play button overlay

button {
    background-color: #666;
    border: medium none;
    color: #fff;
    display: block;
    font-size: 18px;
    left: 0;
    margin: 0 auto;
    padding: 8px 16px;
    position: absolute;
    right: 0;
    top: 50%;
}