Reform the Steemit's posting UI

steemit_editor_reform.js

if (typeof window.reform_loop == 'undefined') {
    window.reform_loop = setInterval(
        function nice_viewer() {
            var vframe, pbox, fbox, tbox;
            try {
                vframe = document.querySelectorAll('.vframe')[0];
                pbox = vframe.querySelectorAll('.Preview')[0];
                fbox = vframe.querySelectorAll('.ReplyEditor__body')[0];
                tbox = fbox.getElementsByTagName('textarea')[0];
                try {
                    document.querySelectorAll('.ReplyEditor')[0].className = "";
                } catch (err) {
                }
            } catch(err) {
                return;
            }

            if (!pbox.style.position) {
                vframe.style.position = "relative";
                tbox.style.height = "500px";
                tbox.style.width = "50%";
                pbox.style.position = "absolute";
                pbox.style.right = "0px";
                pbox.style.top = "50px";
                pbox.style.overflowY = "scroll";
            }
            var frame_size = fbox.getBoundingClientRect();
            var tbox_size = tbox.getBoundingClientRect();
            var new_width = frame_size.width - tbox_size.width - 10;
            var new_height = tbox_size.height - 10;
            pbox.style.width = new_width + "px";
            pbox.style.maxHeight = new_height + "px";
        },
        500);
}