.vjs-watermark {
    position: absolute!important;
    display: inline!important;
    z-index: 0!important;
}

@media only screen and (max-width: 815px){
    .imagem {
        height: 30px !important;
    }

    .vjs-watermark {
        position: absolute!important;
        display: inline!important;
        z-index: 0!important;
    }
}