diff --git a/icons/document_landscape_split_hint.svg b/icons/document-landscape-split-hint.svg
similarity index 100%
rename from icons/document_landscape_split_hint.svg
rename to icons/document-landscape-split-hint.svg
diff --git a/userChrome.css b/userChrome.css
index f63090a..b19b49c 100644
--- a/userChrome.css
+++ b/userChrome.css
@@ -1056,4 +1056,238 @@
   #autohide-context > menuitem[data-l10n-id="full-screen-exit"] {
     background-image: url(chrome://browser/skin/fullscreen-exit.svg);
   }
+
+  /*= contentAreaContextMenu =================================================*/
+  #context-viewsource-goToLine {
+    background-image: url(./icons/text-number-format.svg);
+  }
+  #context-viewsource-wrapLongLines { /* checkbox */
+    /* background-image: url(./icons/arrow-sort-down-lines.svg); */
+  }
+
+  #context-viewsource-highlightSyntax { /* checkbox */
+    /* background-image: url(./icons/code.svg); */
+  }
+
+  #spell-no-suggestions {
+    background-image: url(./icons/text-proofing-tools.svg);
+  }
+  #spell-add-to-dictionary {
+    background-image: url(./icons/book-add.svg);
+  }
+  #spell-undo-add-to-dictionary {
+    background-image: url(chrome://global/skin/icons/undo.svg);
+  }
+
+  #context-openlinkincurrent {
+    background-image: url(./icons/link-square.svg);
+  }
+  #context-openlinkincontainertab {
+    background-image: url(chrome://browser/skin/new-tab.svg);
+  }
+  #context-openlinkintab {
+    background-image: url(chrome://browser/skin/new-tab.svg);
+  }
+  #context-openlinkinusercontext-menu {
+    background-image: url(./icons/container-openin-16.svg);
+  }
+  #context-openlink {
+    background-image: url(chrome://browser/skin/window.svg);
+  }
+  #context-openlinkprivate {
+    background-image: url(chrome://browser/skin/privateBrowsing.svg);
+  }
+
+  #context-bookmarklink {
+    background-image: url(chrome://browser/skin/bookmark.svg);
+  }
+  #context-savelink {
+    background-image: url(chrome://browser/skin/save.svg);
+  }
+  #context-savelinktopocket {
+    background-image: url(chrome://browser/skin/pocket-outline.svg);
+  }
+  #context-copyemail {
+    background-image: url(chrome://browser/skin/mail.svg);
+  }
+  #context-copylink {
+    background-image: url(chrome://browser/skin/link.svg);
+  }
+  #context-sendlinktodevice {
+    background-image: url(chrome://browser/skin/send-to-device.svg);
+  }
+
+  #context-media-play {
+    background-image: url(chrome://global/skin/media/play-fill.svg);
+  }
+  #context-media-pause {
+    background-image: url(chrome://global/skin/media/pause-fill.svg);
+  }
+  #context-media-mute {
+    background-image: url(chrome://global/skin/media/audio-muted.svg);
+  }
+  #context-media-unmute {
+    background-image: url(chrome://global/skin/media/audio.svg);
+  }
+  #context-media-playbackrate {
+    background-image: url(./icons/time-picker.svg);
+  }
+  #context-media-loop {
+    background-image: url(./icons/arrow-repeat-all.svg);
+  }
+  #context-leave-dom-fullscreen {
+    background-image: url(chrome://global/skin/media/fullscreenExitButton.svg);
+  }
+  #context-video-fullscreen {
+    background-image: url(chrome://global/skin/media/fullscreenEnterButton.svg);
+  }
+  #context-media-hidecontrols {
+    background-image: url(./icons/eye-hide.svg);
+  }
+  #context-media-showcontrols {
+    background-image: url(./icons/eye-show.svg);
+  }
+
+  #context-viewvideo {
+    background-image: url(./icons/video.svg);
+  }
+  #context-video-pictureinpicture {
+    background-image: url(chrome://global/skin/media/picture-in-picture-open.svg);
+  }
+
+  #context-reloadimage {
+    background-image: url(./icons/image-arrow-counterclockwise.svg);
+  }
+  #context-viewimage {
+    background-image: url(./icons/image-add.svg);
+  }
+  #context-saveimage {
+    background-image: url(./icons/image.svg);
+  }
+  #context-video-saveimage {
+    background-image: url(./icons/video-snapshot.svg);
+  }
+  #context-savevideo {
+    background-image: url(./icons/video.svg);
+  }
+  #context-saveaudio {
+    background-image: url(chrome://global/skin/media/audio.svg);
+  }
+  #context-copyimage-contents {
+  }
+  #context-copyimage,
+  #context-copyvideourl,
+  #context-copyaudiourl {
+    background-image: url(chrome://browser/skin/link.svg);
+  }
+  #context-sendimage,
+  #context-sendvideo,
+  #context-sendaudio {
+    background-image: url(chrome://browser/skin/mail.svg);
+  }
+  #context-viewimageinfo {
+    background-image: url(chrome://global/skin/icons/info.svg);
+  }
+  #context-viewimagedesc {
+    background-image: url(./icons/image-alt-text);
+  }
+  #context-setDesktopBackground {
+    background-image: url(./icons/resize-image.svg);
+  }
+  #context-ctp-play {
+    background-image: url(chrome://global/skin/icons/plugin.svg);
+  }
+  #context-ctp-hide {
+    background-image: url(chrome://global/skin/icons/plugin-blocked.svg);
+  }
+
+  #context-savepage {
+    background-image: url(chrome://browser/skin/save.svg);
+  }
+  #context-pocket {
+    background-image: url(chrome://browser/skin/pocket-outline.svg);
+  }
+  #context-sendpagetodevice {
+    background-image: url(chrome://browser/skin/send-to-device.svg);
+  }
+  #fill-login {
+    background-image: url(./icons/password.svg);
+  }
+  #fill-login-generated-password {
+    background-image: url(chrome://browser/skin/login.svg);
+  }
+  #manage-saved-logins {
+    background-image: url(./icons/key-multiple.svg);
+  }
+
+  #context-undo {
+    background-image: url(chrome://global/skin/icons/undo.svg);
+  }
+  #context-redo {
+  }
+
+  #context-cut {
+    background-image: url(chrome://browser/skin/edit-cut.svg);
+  }
+  #context-copy {
+    background-image: url(chrome://browser/skin/edit-copy.svg);
+  }
+  #context-paste {
+    background-image: url(chrome://browser/skin/edit-paste.svg);
+  }
+  #context-delete {
+    background-image: url(chrome://global/skin/icons/delete.svg);
+  }
+  #context-selectall {
+    background-image: url(./icons/select-all-on.svg);
+  }
+  #context-print-selection {
+    background-image: url(chrome://global/skin/icons/print.svg);
+  }
+
+  #context-take-screenshot {
+    background-image: url(chrome://browser/skin/screenshot.svg);
+  }
+
+  #context-keywordfield {
+    background-image: url(chrome://browser/skin/bookmark.svg);
+  }
+  #context-searchselect,
+  #context-searchselect-private {
+    background-image: url(chrome://global/skin/icons/search-glass.svg);
+  }
+
+  #frame {
+    background-image: url(./icons/command-frames.svg);
+  }
+
+  #spell-check-enabled { /* checkbox */
+  }
+  #spell-add-dictionaries-main {
+    background-image: url(./icons/book-add.svg);
+  }
+  #spell-dictionaries {
+    background-image: url(./icons/book.svg);
+  }
+
+  #context-bidi-text-direction-toggle {
+    background-image: url(./icons/text-direction-horizontal-ltr.svg);
+  }
+  #context-bidi-page-direction-toggle {
+    background-image: url(./icons/document-landscape-split-hint.svg);
+  }
+
+  #context-viewpartialsource-selection,
+  #context-viewsource {
+    background-image: url(./icons/search-file.svg);
+  }
+  #context-inspect-a11y {
+    background-image: url(chrome://devtools/skin/images/tool-accessibility.svg);
+  }
+  #context-inspect {
+    background-image: url(chrome://devtools/skin/images/command-pick.svg)
+  }
+
+  #context-media-eme-learnmore { /* iconic */
+  }
 }