diff --git a/static/js/terminal/xterm.js b/static/js/terminal/xterm.js
index 6c8880d..ff78647 100644
--- a/static/js/terminal/xterm.js
+++ b/static/js/terminal/xterm.js
@@ -2571,90 +2571,19 @@ AnsiTerminal.prototype.SGR = function (params){
 };
 
 /**
- * get stule
+ * hex
+ * @param c
+ * @returns {*}
  */
-var BITS = {
-  1: 'bold',
-  2: 'italic',
-  4: 'underline',
-  8: 'blink',
-  16: 'inverse',
-  32: 'conceal',
-  64: 'cursor'
-};
-var MAP = (function (){
-  var m = [];
-
-  for (var i = 0; i < 128; ++i) {
-    var entry = [];
-
-    for (var j in BITS) {
-      if (BITS.hasOwnProperty(j)) {
-        if (i & j) {
-          entry.push(BITS[j]);
-        }
-      }
-    }
-
-    m.push(entry.join(' '));
-  }
-
-  return m;
-}());
-
-// FIXME: cleanup this ugly mess
-function getStyles(num, gb, fullwidth){
-  var fg_rgb = num & 67108864 && num & 134217728;
-  var bg_rgb = num & 16777216 && num & 33554432;
-  // if (not RGB) and (fg set) and (bold set) and (fg < 8)
-  var inverse = num & 1048576;
-  var bold = (!fg_rgb && num & 67108864 && num & 65536 && (num >>> 8 & 255) < 8) ? 1 : 0;
-  var styles = [
-    MAP[num >>> 16 & 127]
-    + ((num & 67108864 && !fg_rgb)
-      ? ((inverse) ? ' bg' : ' fg') + ((bold) ? (num >>> 8 & 255) | 8 : num >>> 8 & 255)
-      : '')
-    + ((num & 16777216 && !bg_rgb) ? ((inverse) ? ' fg' : ' bg') + (num & 255) : '')
-  ];
-
-  // post check for default colors on inverse
-  if (inverse && !(num & 67108864)) {
-    styles[0] += ' bg-1';
-  }
-
-  if (inverse && !(num & 16777216)) {
-    styles[0] += ' fg-1';
-  }
-
-  if (fullwidth) {
-    styles[0] += ' fw';
-  }
-
-  var s = '';
-
-  if (fg_rgb) {
-    s += ((inverse)
-        ? 'background-color:rgb('
-        : 'color:rgb(') + [num >>> 8 & 255, gb >>> 24, gb >>> 8 & 255].join(',') + ');';
-  }
-
-  if (bg_rgb) {
-    s += ((inverse)
-        ? 'color:rgb('
-        : 'background-color:rgb(') + [num & 255, gb >>> 16 & 255, gb & 255].join(',') + ');';
-  }
-
-  styles.push(s);
-
-  return styles;
-}
-
 function hex(c){
   c = c.toString(16);
 
   return c.length < 2 ? '0' + c : c;
 }
 
+/**
+ * 256 colors
+ */
 var COLORS = (function colors256(){
   var i;
   var r = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff];
@@ -2704,6 +2633,11 @@ var COLORS = (function colors256(){
   return colors;
 }());
 
+/**
+ * char styles
+ * @param node
+ * @returns {{wide: boolean}}
+ */
 function styles(node){
   var color;
   var gb = node.gb;