Removed some redundant css files from the docs

docs/css/examples.css

@@ -1,61 +0,0 @@
-body {
-    font-family: Lustria,Georgia,Times,"Times New Roman",serif !important;
-    background: url('../img/crossword.png') /* Background pattern from subtlepatterns.com */
-}
-
-div.contentWrapper {
-    padding:10px;
-}
-div.navbar-wrapper {
-    background-color:#07508E;
-    border-bottom: 3px solid #ffffff;
-    font-size:16px;
-}
-
-
-pre {
-    width:450px;
-    height:552px;
-    overflow:auto;
-}
-#visualization {
-    display:block;
-    margin-left:470px;
-    margin-top:-562px;
-    width:500px;
-    height:552px;
-    border: 1px solid #dddddd;
-    border-radius:4px;
-    background-color:#fcfcfc;
-}
-
-div.textHTMLContent {
-    margin-top:10px;
-    margin-bottom:10px;
-    display:block;
-    width:800px;
-}
-
-
-img.example {
-    border:1px solid #dddddd;
-    width:250px;
-    height:250px;
-    border-radius:10px;
-    margin-top:10px;
-}
-div.exampleTitle {
-    position:relative;
-    top:-7px;
-    width:100%;
-    max-width:250px;
-    height:30px;
-    border: 1px solid #dddddd;
-    background-color: #526b84;
-    color:#ffffff;
-    text-align:center;
-    vertical-align:middle;
-    line-height: 30px;
-    border-bottom-left-radius:5px;
-    border-bottom-right-radius:5px;
-}

docs/css/old_style.css

@@ -1,83 +0,0 @@
-html, body {
-  width: 100%;
-  height: 100%;
-  padding: 0;
-  margin: 0;
-}
-
-body, td, th {
-  font-family: arial, sans-serif;
-  font-size: 11pt;
-  color: #4D4D4D;
-  line-height: 1.7em;
-}
-
-#container {
-  position: relative;
-  margin: 0 auto;
-  padding: 10px 10px 50px 10px;
-  width: 970px;
-  max-width: 100%;
-  box-sizing: border-box;
-}
-
-h1 {
-  font-size: 180%;
-  font-weight: bold;
-  padding: 0;
-  margin: 1em 0 1em 0;
-}
-
-h2 {
-  padding-top: 20px;
-  padding-bottom: 10px;
-  border-bottom: 1px solid #e0e0e0;
-  color: #064880;
-}
-
-h3 {
-  font-size: 140%;
-}
-
-a > img {
-  border: none;
-}
-
-a {
-  color: #064880;
-  text-decoration: none;
-}
-
-a:visited {
-  color: #064880;
-  text-decoration: none;
-}
-
-a:hover {
-  color: red;
-  text-decoration: underline;
-}
-
-table {
-  border-collapse: collapse;
-}
-
-th {
-  font-weight: bold;
-  border: 1px solid lightgray;
-  background-color: #E5E5E5;
-  text-align: left;
-  vertical-align: top;
-  padding: 5px;
-}
-
-td {
-  border: 1px solid lightgray;
-  padding: 5px;
-  vertical-align: top;
-}
-
-p.important_note {
-  color: #3a6baa;
-  font-weight:bold;
-}