:root {
    /* Vista control icons */
    --icon-minimize: url("data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' shape-rendering='crispEdges'><rect x='0' y='7' width='1' height='1' fill='%23535666' opacity='0.35'/><rect x='1' y='7' width='10' height='1' fill='%23535666'/><rect x='11' y='7' width='1' height='1' fill='%23535666' opacity='0.35'/><rect x='0' y='8' width='1' height='1' fill='%23535666'/><rect x='1' y='8' width='10' height='1' fill='%23ffffff'/><rect x='11' y='8' width='1' height='1' fill='%23535666'/><rect x='0' y='9' width='1' height='1' fill='%23535666'/><rect x='1' y='9' width='10' height='1' fill='%23ffffff'/><rect x='11' y='9' width='1' height='1' fill='%23535666'/><rect x='0' y='10' width='1' height='1' fill='%23535666' opacity='0.35'/><rect x='1' y='10' width='10' height='1' fill='%23535666'/><rect x='11' y='10' width='1' height='1' fill='%23535666' opacity='0.35'/></svg>");

    --icon-maximize: url("data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' shape-rendering='crispEdges'><rect x='1' y='1' width='10' height='1' fill='%23535666'/><rect x='0' y='1' width='1' height='1' fill='%23535666' opacity='0.35'/><rect x='11' y='1' width='1' height='1' fill='%23535666' opacity='0.35'/><rect x='0' y='2' width='1' height='1' fill='%23535666'/><rect x='1' y='2' width='10' height='1' fill='%23ffffff'/><rect x='11' y='2' width='1' height='1' fill='%23535666'/><rect x='0' y='3' width='1' height='1' fill='%23535666'/><rect x='1' y='3' width='10' height='1' fill='%23ffffff'/><rect x='11' y='3' width='1' height='1' fill='%23535666'/><rect x='0' y='4' width='1' height='1' fill='%23535666'/><rect x='1' y='4' width='2' height='1' fill='%23ffffff'/><rect x='3' y='4' width='6' height='1' fill='%23535666'/><rect x='9' y='4' width='2' height='1' fill='%23ffffff'/><rect x='11' y='4' width='1' height='1' fill='%23535666'/><rect x='0' y='5' width='1' height='1' fill='%23535666'/><rect x='1' y='5' width='2' height='1' fill='%23ffffff'/><rect x='3' y='5' width='1' height='1' fill='%23535666'/><rect x='8' y='5' width='1' height='1' fill='%23535666'/><rect x='9' y='5' width='2' height='1' fill='%23ffffff'/><rect x='11' y='5' width='1' height='1' fill='%23535666'/><rect x='0' y='6' width='1' height='1' fill='%23535666'/><rect x='1' y='6' width='2' height='1' fill='%23ffffff'/><rect x='3' y='6' width='1' height='1' fill='%23535666'/><rect x='8' y='6' width='1' height='1' fill='%23535666'/><rect x='9' y='6' width='2' height='1' fill='%23ffffff'/><rect x='11' y='6' width='1' height='1' fill='%23535666'/><rect x='0' y='7' width='1' height='1' fill='%23535666'/><rect x='1' y='7' width='2' height='1' fill='%23ffffff'/><rect x='3' y='7' width='6' height='1' fill='%23535666'/><rect x='9' y='7' width='2' height='1' fill='%23ffffff'/><rect x='11' y='7' width='1' height='1' fill='%23535666'/><rect x='0' y='8' width='1' height='1' fill='%23535666'/><rect x='1' y='8' width='10' height='1' fill='%23ffffff'/><rect x='11' y='8' width='1' height='1' fill='%23535666'/><rect x='0' y='9' width='1' height='1' fill='%23535666'/><rect x='1' y='9' width='10' height='1' fill='%23ffffff'/><rect x='11' y='9' width='1' height='1' fill='%23535666'/><rect x='1' y='10' width='10' height='1' fill='%23535666'/><rect x='0' y='10' width='1' height='1' fill='%23535666' opacity='0.35'/><rect x='11' y='10' width='1' height='1' fill='%23535666' opacity='0.35'/></svg>");

    --icon-normalize: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' shape-rendering='crispEdges'><g fill='%23535666'><rect x='2' y='0' width='10' height='1'/><rect x='2' y='1' width='1' height='1'/><rect x='11' y='1' width='1' height='1'/><rect x='0' y='2' width='10' height='1'/><rect x='11' y='2' width='1' height='1'/><rect x='0' y='3' width='1' height='2'/><rect x='9' y='3' width='1' height='2'/><rect x='11' y='3' width='1' height='2'/><rect x='0' y='5' width='1' height='1'/><rect x='3' y='5' width='4' height='1'/><rect x='9' y='5' width='1' height='1'/><rect x='11' y='5' width='1' height='1'/><rect x='0' y='6' width='1' height='2'/><rect x='3' y='6' width='1' height='2'/><rect x='6' y='6' width='1' height='2'/><rect x='9' y='6' width='1' height='2'/><rect x='11' y='6' width='1' height='2'/><rect x='0' y='8' width='1' height='1'/><rect x='3' y='8' width='4' height='1'/><rect x='9' y='8' width='1' height='1'/><rect x='11' y='8' width='1' height='1'/><rect x='0' y='9' width='1' height='2'/><rect x='9' y='9' width='1' height='2'/><rect x='10' y='9' width='2' height='1'/><rect x='0' y='11' width='10' height='1'/></g><g fill='%23ffffff'><rect x='3' y='1' width='8' height='1'/><rect x='10' y='2' width='1' height='1'/><rect x='1' y='3' width='8' height='2'/><rect x='10' y='3' width='1' height='2'/><rect x='1' y='5' width='2' height='1'/><rect x='7' y='5' width='2' height='1'/><rect x='10' y='5' width='1' height='1'/><rect x='1' y='6' width='2' height='2'/><rect x='4' y='6' width='2' height='2'/><rect x='7' y='6' width='2' height='2'/><rect x='10' y='6' width='1' height='2'/><rect x='1' y='8' width='2' height='1'/><rect x='7' y='8' width='2' height='1'/><rect x='10' y='8' width='1' height='1'/><rect x='1' y='9' width='8' height='2'/></g></svg>");

    --icon-close: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 11 11' width='12' height='12'><g fill='%23535666' fill-opacity='0.35'><rect x='0' y='1' width='1' height='1'/><rect x='4' y='1' width='1' height='1'/><rect x='6' y='1' width='1' height='1'/><rect x='10' y='1' width='1' height='1'/><rect x='6' y='2' width='1' height='1'/><rect x='0' y='3' width='1' height='1'/><rect x='10' y='3' width='1' height='1'/><rect x='1' y='4' width='1' height='1'/><rect x='9' y='4' width='1' height='1'/><rect x='2' y='5' width='1' height='1'/><rect x='8' y='5' width='1' height='1'/><rect x='2' y='6' width='1' height='1'/><rect x='8' y='6' width='1' height='1'/><rect x='1' y='7' width='1' height='1'/><rect x='9' y='7' width='1' height='1'/><rect x='0' y='8' width='1' height='1'/><rect x='10' y='8' width='1' height='1'/><rect x='0' y='10' width='1' height='1'/><rect x='4' y='10' width='1' height='1'/><rect x='6' y='10' width='1' height='1'/><rect x='10' y='10' width='1' height='1'/></g><g fill='%23535666'><rect x='1' y='1' width='3' height='1'/><rect x='7' y='1' width='3' height='1'/><rect x='0' y='2' width='1' height='1'/><rect x='4' y='2' width='1' height='1'/><rect x='10' y='2' width='1' height='1'/><rect x='1' y='3' width='1' height='1'/><rect x='5' y='3' width='1' height='1'/><rect x='9' y='3' width='1' height='1'/><rect x='2' y='4' width='1' height='1'/><rect x='8' y='4' width='1' height='1'/><rect x='3' y='5' width='1' height='1'/><rect x='7' y='5' width='1' height='1'/><rect x='3' y='6' width='1' height='1'/><rect x='7' y='6' width='1' height='1'/><rect x='2' y='7' width='1' height='1'/><rect x='8' y='7' width='1' height='1'/><rect x='1' y='8' width='1' height='1'/><rect x='5' y='8' width='1' height='1'/><rect x='9' y='8' width='1' height='1'/><rect x='0' y='9' width='1' height='1'/><rect x='4' y='9' width='1' height='1'/><rect x='6' y='9' width='1' height='1'/><rect x='10' y='9' width='1' height='1'/><rect x='1' y='10' width='3' height='1'/><rect x='7' y='10' width='3' height='1'/></g><g fill='%23ffffff'><rect x='1' y='2' width='3' height='1'/><rect x='7' y='2' width='3' height='1'/><rect x='2' y='3' width='3' height='1'/><rect x='6' y='3' width='3' height='1'/><rect x='3' y='4' width='5' height='1'/><rect x='4' y='5' width='3' height='1'/><rect x='4' y='6' width='3' height='1'/><rect x='3' y='7' width='5' height='1'/><rect x='2' y='8' width='3' height='1'/><rect x='6' y='8' width='3' height='1'/><rect x='1' y='9' width='3' height='1'/><rect x='7' y='9' width='3' height='1'/></g></svg>");

    --icon-default: "data:image/png;base64,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";
  }