.videoelement {
    position: relative;
}

.videoelement .video__play--button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #0158a3;
    height: 10rem;
    width: 10rem;
    border-radius: 50%;
}

.videoelement .video__play--button i {
    font-size: 5rem;
    color: #fff;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}

@media screen and (max-width: 767.98px) {
    .videoelement .video__play--button {
        height: 5rem;
        width: 5rem;
    }

    .videoelement .video__play--button i {
        font-size: 2rem;
    }
}