wikimedia/mediawiki-extensions-UploadWizard

/* Position the popup */
#mwe-upwiz-skip {
    position: relative;
}

#mwe-upwiz-skip .oo-ui-popupWidget {
    position: absolute;
    left: 50%;
}

/* Override some silly styles */
#mwe-upwiz-skip .oo-ui-popupWidget,
#mwe-upwiz-skip .oo-ui-popupWidget * {
    white-space: normal;
    text-align: left;
}

#mwe-upwiz-tutorial {
    text-align: center;

    #mwe-upwiz-tutorial-html > img {
        height: inherit;
        width: 100%;
        max-width: 720px; /* width of tutorial.png */
    }
}