steps
    01a---basic-rotations-in-perspective.html
    01b-nesting-3d-and-effect-of-preserving-3d
        01a-original-positions.html
        01b-rotation-x.html
        01c-rotation-y.html
        01d-both-rotations.html
        01e-preserved-3d.html
    02---composite-rotations.html
    03---mess-with-commutativity.html
    04---scale-y-z-can-be-equivalent-to-scale-x.html
    README.txt
    animation
        05a--css-simple-animation.html
        05b---animation-of-translate.html
        05c---anim-3d-rotating-a-sprite.html
        05d---anim-3-facets-of-poly---with-z-index-questions.html
        05e---anim---shows-that-z-index-interpolates-in-css-animation-in-Chrome.html
        05e---pause-puts-sprite-out-of-siblings.html
        05f-one-dimensional-3d-carousel-proof-of-concept
            generate-css.js
            index-js-generated.html
            index-pure-css.html
        05h-one-dim-3d-carous---bigger-picture
            generate-css--preserve-3d-obsoletes-z-index-code.js
            generate-css.js
            index-js-generated.html
        05i-one-dim-2-caros
            README.txt
            generate-css.js
            index-js-generated.html
        06a-2-caros-accurate-z-index
            generate-css.js
            index-js-generated.html
        06b-2-caros
            generate-css.js
            img-lists.json.js
            index-js-generated.html
            index-pure-css--non-ie.html
            index-pure-css-with-ie-published.html
        06c-2-caros-with-ie
            README--extended-to-IE-browser.txt
            generate-css.js
            img-lists.json.js
            index-js-generated.html
            index-pure-css.html
        06ca-2-caros---sass
            README.txt
            css.css
            generate-css.js
            img-lists.json.js
            index-js-generated.html
            index-pure-css.html
            index-scss.html
            scss.css
            scss.scss
        07b-nested-anim-mad-carousel
            README.txt
            generate-css.js
            img-lists.json.js
            index-js-generated.html
            index-pure-css.html
        07c-nested-3d-splits-master-optical-directions
            README.txt
            generate-css.js
            img-lists.json.js
            index-js-generated.html
            index-pure-css.html
        08-scenario
            00-stub.html
            01-stub.html
            02-wrk-stub.html
            03-stub-interesting-building.html
            04-using-matrix3d-stub.html
            05-stub-3-leveltrading-layers.html
            README.txt
            generate-css.js
            img-lists.json.js
            index-js-generated.html
            rubbish-generate-css.js
            stub.html
        09-js-css-space-walker
            00-hello-scenario
                index.html
                scenario.js
            01-matrix3d
                README.txt
                index.html
                matrix.htm
                matrix.js
                scenario.js
            02-refactored-int
                README.txt
                index.html
                matrix.htm
                matrix.js
                scenario.js
            03--minor-steps
                a--perspective-changes-standard-room-wrk
                    README.txt
                    index.html
                    keyboard.js
                    matrix.htm
                    matrix.js
                    scenario.js
                b-move-by-kb-by-transforming
                    README.txt
                    index.html
                    keyboard.js
                    matrix.htm
                    matrix.js
                    scenario.js
                c-rotations-of-room-wrk
                    README.txt
                    index.html
                    keyboard.js
                    matrix.htm
                    matrix.js
                    scenario.js
                d-clean
                    README.txt
                    index.html
                    keyboard.js
                    matrix.htm
                    matrix.js
                    scenario.js
                e
                    README.txt
                    index.html
                    keyboard.js
                    matrix.htm
                    matrix.js
                    scenario.js
            03-f-milestep-own-animations-are-without-js
                README.txt
                conf.js
                cons.js
                helpers.js
                index.html
                init-events.js
                init-model.js
                init-resize.js
                init-sprite-renderers.js
                init.js
                keyboard.js
                mat.htm
                mat.js
                run-scenario.js
                script.js
            04
                current
                    README.txt
                    conf.js
                    cons.js
                    helpers.js
                    index.html
                    init-events.js
                    init-model.js
                    init-resize.js
                    init-sprite-renderers.js
                    init.js
                    keyboard.js
                    mat.htm
                    mat.js
                    run-scenario.js
                    script.js
            README.txt
        current
            README.txt
            css.js
            img-lists.json.js
            index.js.html
        only-for-Chrome
            06d-2-caros-with-iframes
                README.txt
                archive
                    generate-css.js
                    img-lists.json.js
                    index-js-generated.html
                index-pure-css.html
            07d-mouse-hover-stops-carousel
                README.txt
                css.js
                img-lists.json.js
                index.js.html
            07e-focus-and-tabbing
                README.txt
                css.js
                img-lists.json.js
                index.js.html
            07f-focus-and-tabbing-better
                README.txt
                css.js
                img-lists.json.js
                index.js.html
            07g-focus-and-tabbing-in-progress
                README.txt
                css (copy).js
                css.js
                img-lists.json.js
                index.js.html
            07h-still-no-luck-with-ie-and-ff
                README.txt
                Test.htm
                Test_files
                    css.js
                    img-lists.json.js
            07i-Edge-does-not-pause
                css.js
                img-lists.json.js
                index.html
            README.txt
        ww
    lens-formula-failure
        05---.html
        chrome-misfit.png
        firefox-misfit.png
    which-fails.txt