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-
-.pdf-header .sub {
-    padding-top: 2px;
-    font-size: 70%;
-}
-
-.pdf-footer {
-    padding-top: 10px;
-    border-top: 1px solid #eee;
-}
-
-.pdf-footer .footer-left {
-    float: left;
-    margin-left: 2em;
-    margin-right: auto;
-}
-
-.pdf-footer .footer-center {
-    display: table;
-    margin-left: auto;
-    margin-right: auto;
-}
-
-.pdf-footer .footer-right {
-    float: right;
-    margin-left: auto;
-    margin-right: 2em;
-}
-
-.pdf-header {
-    padding-bottom: 10px;
-    border-bottom: 1px solid #eee;
-}
-
-.pdf-header .header-pages-count {
-    float: right;
-    text-align: right;
-}
-
-.pdf-header .header-pages-count a,
-.pdf-header .header-pages-count a:visited,
-.pdf-header .header-pages-count a:active,
-.pdf-header .header-pages-count a:focus,
-.pdf-header .header-pages-count a:link {
-    text-decoration: none;
-    color: #aaa;
-    cursor: text;
-}
diff --git a/docs/resources/make_cover.sh b/docs/resources/make_cover.sh
deleted file mode 100755
index 1026ecbd..00000000
--- a/docs/resources/make_cover.sh
+++ /dev/null
@@ -1,27 +0,0 @@
-#!/bin/bash
-DOCS_DIR=$(cd $(dirname $0)/.. && pwd)
-BOOKFILE=$DOCS_DIR/../book.json
-
-TITLE=$(grep  '"title":' $BOOKFILE | cut -d'"' -f 4)
-SUBTITLE=$(grep  '"subtitle":' $BOOKFILE | cut -d'"' -f 4)
-VERSION="Version $(grep  '"version":' $BOOKFILE | cut -d'"' -f 4)"
-DATE=$(grep  '"published":' $BOOKFILE | cut -d'"' -f 4)
-
-[ -z "$TITLE" ] && { echo "Error TITLE not set!" ; exit 1; }
-[ -z "$VERSION" ] && { echo "Error VERSION not set!" ; exit 1; }
-[ -z "$DATE" ] && { echo "Error DATE not set!" ; exit 1; }
-
-
-cat $(dirname $0)/cover.svg | sed -e "s/{title}/$TITLE/g" \
-    -e "s/font-size:87.5px/font-size:54px/g" \
-    -e "s/{subtitle}/$SUBTITLE/g" \
-    -e "s/font-size:62.5px/font-size:40px/g" \
-    -e "s/{version}/$VERSION/g" \
-    -e "s/{date}/$DATE/g" \
-    > /tmp/cover.svg
-
-# use  imagemagick convert tool  (cover size must be 1800x2360)
-convert -resize "1600x2160!" -border 100 -bordercolor white -background white \
-    -flatten -quality 100 /tmp/cover.svg $DOCS_DIR/cover.jpg
-
-convert -resize "200x262!" $DOCS_DIR/cover.jpg $DOCS_DIR/cover_small.jpg