jellyfin-web/src/components/imageeditor/imageeditor.scss

.imageEditor-buttons {
    display: flex;
    align-items: center;
    margin: 1em 0 1em;
}

.first-imageEditor-buttons {
    margin-top: 2em;
}

.btnBrowseAllImages {
    [dir="ltr"] & {
        margin-left: 1em;
    }

    [dir="rtl"] & {
        margin-right: 1em;
    }
}

.btnOpenUploadMenu {
    [dir="ltr"] & {
        margin-left: 0.5em;
    }

    [dir="rtl"] & {
        margin-right: 0.5em;
    }
}