diff --git a/docs/assets/styles/styles_bak.css b/docs/assets/styles/styles_bak.css
deleted file mode 100644
index b69e644..0000000
--- a/docs/assets/styles/styles_bak.css
+++ /dev/null
@@ -1,224 +0,0 @@
-@charset "UTF-8";
-
-@import url("https://fonts.googleapis.com/css?family=Noto+Sans+TC&display=swap");
-@import url(https://fonts.googleapis.com/css?family=Noto+Serif+TC&display=swap);
-
-@font-face {
- font-family: 'BopomofoRuby';
- src:
- local('BopomofoRuby1909-v1-Regular'),
- url('../fonts/BopomofoRuby1909-v1-Regular.ttf');
-}
-
-body {
- /* width: 100%; */
- margin: 10px auto;
- width: 60%;
- color: #333;
- line-height: 2.0;
- font-size: 28pt;
- font-family: 'Noto Sans TC', sans-serif !important;
-}
-
-main {
- display: block;
- padding: 40px 20px 20px;
- color: #333;
- line-height: 1.8;
-}
-
-p {
- margin-bottom: 50px;
- line-height: 2em;
-}
-
-header {
- /* display: block; */
- border-top: #00c4ab 5px solid;
- text-align: center;
- background: url(../picts/bg_header.png) #e6e6e6;
-}
-
-header h1 {
- padding: 0 10px 25px;
- font-family: 'Noto Serif TC', serif;
- font-size: 32pt;
- font-weight: bold;
-}
-
-h1 {
- color: #333;
-}
-
-#articles {
- font-weight: bold;
-}
-
-.title {
- font-size: 1.2em;
- letter-spacing: 2px;
- text-align: center;
-}
-
-.author {
- font-size: 0.7em;
- letter-spacing: 2px;
- text-align: right;
-}
-
-ul {
- display: none;
- list-style-type: none;
-}
-
-li a {
- text-decoration: none;
- display: block;
- padding: 17px 25px;
- color: #FFF;
- background: #B94B6A;
- border-bottom: 1px solid #A24861;
- font-size: 100%;
- line-height: 1.0em;
-}
-
-li:last-child a {
- border-bottom: none;
-}
-
-a {
- color: #0066cc;
- text-decoration: none;
-}
-
-a:hover {
- text-decoration: underline;
-}
-
-button {
- position: absolute;
- top: 25px;
- right: 15px;
- background-color: transparent;
- border: none;
- cursor: pointer;
-}
-
-button:focus {
- outline: none;
-}
-
-rt {
- font-family: Arial;
- color: darkcyan;
- font-size: 45%;
- letter-spacing: 0;
-}
-
-rtc {
- font-family: BopomofoRuby;
- color: #B94B6A;
- font-size: 30%;
- line-height: normal;
- ruby-merge: merge;
-
- -webkit-ruby-position: inter-character;
- ruby-position: inter-character;
- text-orientation: upright;
- letter-spacing: 3px;
-
- -webkitg_writing-mode: vertical-lr;
- writing-mode: vertical-lr;
- vertical-align: middle;
- display: inline;
-}
-
-/* 方音符號 */
-.zhu_yin {
- font-family: "Noto Serif TC";
- letter-spacing: 0.2em;
-}
-
-.zhu_yin ruby {
- writing-mode: vertical-lr;
- text-orientation: upright;
-}
-
-.zhu_yin rt {
- font-family: BopomofoRuby;
- color: #B94B6A;
- font-size: 40%;
- letter-spacing: 0;
-}
-
-.Piau_Im {
- font-family: "Noto Serif TC";
-}
-
-.Piau_Im rt {
- font-family: BopomofoRuby;
- color: #B94B6A;
- font-size: 30%;
-
- -webkit-ruby-position: inter-character;
- ruby-position: inter-character;
- text-orientation: upright;
-
- -webkit-writing-mode: vertical-rl;
- writing-mode: vertical-rl;
- vertical-align: middle;
- display: inline;
-}
-
-/* 雙排注音符號 */
-.Siang_Pai {
- font-family: "Noto Serif TC";
-}
-
-.Siang_Pai ruby {
- ruby-merge: separate;
- ruby-position: over;
-}
-
-.Siang_Pai rt {
- font-family: Arial;
- color: #00c4ab;
- font-size: 40%;
-}
-
-.Siang_Pai rtc {
- font-family: BopomofoRuby;
- color: #B94B6A;
- font-size: 30%;
-
- -webkit-ruby-position: inter-character;
- ruby-position: inter-character;
- text-orientation: upright;
-
- -webkit-writing-mode: vertical-lr;
- writing-mode: vertical-lr;
- vertical-align: middle;
- display: inline;
-}
-
-/* 台羅、閩拼、白話字 */
-.pin_yin {
- font-family: "Noto Serif TC";
-}
-
-/* 白話字 */
-.poj {
- font-family: "Noto Serif TC";
- letter-spacing: 0.2em;
-}
-
-/* 十五音 */
-.fifteen_yin {
- font-family: "Noto Serif TC";
- letter-spacing: 0.2em;
-}
-
-.fifteen_yin rt {
- letter-spacing: 0;
- font-size: 40%;
-}
\ No newline at end of file
diff --git a/docs/index_bak.html b/docs/index_bak.html
deleted file mode 100644
index 7cc753b..0000000
--- a/docs/index_bak.html
+++ /dev/null
@@ -1,445 +0,0 @@
-
-
-
-
-
-
-
- 河洛話讀古文
-
-
-
-
-
-
-
-
-
-
-
-
-
-
上有力量的每日祈禱文
-
-
丘陵歌
-
-
京口北固亭懷古
-
-
六國論
-
-
前出師表
-
-
前赤壁賦
-
-
原道
-
-
周易．同人卦
-
-
周易．困卦
-
-
周易．大過卦
-
-
回鄉偶書
-
-
回首前塵
-
-
天易見，見君難
-
-
姜伯約歸降孔明，武鄉侯罵死王朗
-
-
寄黃幾復
-
-
寒窯賦
-
-
岳陽樓記
-
-
彙音妙悟序
-
-
心經
-
-
念奴嬌·斷虹霽雨
-
-
愛蓮說
-
-
採桑子
-
-
晁錯論
-
-
梁園吟
-
-
歸去來辭
-
-
水龍吟·登建康賞心亭
-
-
江南逢李龜年
-
-
洛神賦
-
-
滕王閣序
-
-
漢語古詩
-
-
留侯論
-
-
登金陵鳳凰台
-
-
短歌行
-
-
禮記。大學
-
-
秋風詞
-
-
秋風辭
-
-
紫式部和歌
-
-
西江月．世事一場大夢
-
-
詩經．大雅．大明
-
-
詩經．小雅．鹿鳴
-
-
顏氏家訓【教子】
-
-
-
-
-