.video-con{
    width: 900px;
    height: 440px;
    position: relative;
}

.video-con .video {
    width: 100%;
    height: 100%;
    object-fit: fill;
}

.video-con .btn {
    width: 64px;
    height: 64px;
    background: transparent url("./play-btn.png") no-repeat;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    border: none;
}

.video-con .btn.pause {
    background-image: url("/Public/puduo/css/pause-btn.png");
}<!--ºÄʱ1774182957.2609Ãë-->