diff --git a/install.sh b/install.sh
index 565208f..45f3cea 100755
--- a/install.sh
+++ b/install.sh
@@ -1,2 +1,2 @@
 #!/usr/bin/env bash
-stow nix git x
+stow nix git x pentadactyl
diff --git a/pentadactyl/pentadactylrc.symlink b/pentadactyl/.pentadactylrc
similarity index 55%
rename from pentadactyl/pentadactylrc.symlink
rename to pentadactyl/.pentadactylrc
index df0dd42..5693662 100644
--- a/pentadactyl/pentadactylrc.symlink
+++ b/pentadactyl/.pentadactylrc
@@ -4,6 +4,7 @@ colorscheme solarized-dark
 
 set go+=N
 
+source ~/dotfiles/pentadactyl/user.css
 
 " feedly:
 group -description 'Feedly' -locations=feedly.com feedly
@@ -20,3 +21,9 @@ set passkeys+=github.com:"<CR>r?jks"
 " reddit:
 set passkeys+=reddit.com:"jk[]azp?.srfF"
 
+
+com -d "Delete duplicate tabs" tabcloseduplicates,tabclosed -js let seen={},vtabs=tabs.visibleTabs,i=vtabs.length;while(i--){let loc=vtabs[i].linkedBrowser.contentDocument.location.href||"";if(Object.prototype.hasOwnProperty.call(seen, loc)){config.tabbrowser.removeTab(vtabs[i]);}else{seen[loc]=true;}}
+
+
+" Open the current URL as an argument to mpv.
+nmap <S-u> -e :launchv
diff --git a/pentadactyl/.stow-local-ignore b/pentadactyl/.stow-local-ignore
new file mode 100644
index 0000000..6be1705
--- /dev/null
+++ b/pentadactyl/.stow-local-ignore
@@ -0,0 +1,3 @@
+external
+plugins
+user.css
diff --git a/pentadactyl/dot.json b/pentadactyl/dot.json
deleted file mode 100644
index f32c2b5..0000000
--- a/pentadactyl/dot.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-	"symlinks": [
-		{
-			"source": "pentadactylrc.symlink",
-			"target": "~/.pentadactylrc"
-		}
-	]
-}
\ No newline at end of file
diff --git a/pentadactyl/plugins/launchv.js b/pentadactyl/plugins/launchv.js
new file mode 100644
index 0000000..a6303de
--- /dev/null
+++ b/pentadactyl/plugins/launchv.js
@@ -0,0 +1,47 @@
+/* ~/.config/pentadactyl/plugins/launchv.js
+
+    From Earnestly.
+
+    Quick function to help reduce duplication in my config, thanks mostly to
+    holomorph who started pretty much all of this.
+
+    Requires: livestreamer, mpv, youtube-dl.
+
+    Command:
+    * :launchv  Attempts to start the current buffer URL as a video.
+
+    Hint:
+    * ;q        Likewise but for the selected hint.
+*/
+
+function launchv(target){
+    // Escape anything which could be used to inject shell commands before
+    // passing it to the commands.
+    var uri = target.replace(/([$`"\\])/g, "\\$1");
+    var mpv = "mpv --loop-file --cache-file=TMP";
+
+    function exec(launcher, uri){
+        // If we're using pentadactyl then echo the action as io.system won't.
+        if(typeof dactyl !== "undefined")
+            dactyl.echomsg("Executing: " + launcher + " \"" + uri + "\"");
+
+        return io.system(launcher + ' "' + uri + '" &');
+    }
+
+    // Filter certain urls to more appropriate programs
+    if(uri.match(/twitch\.tv\/.*\/[bc]\/[0-9]+/))
+        exec(mpv, uri);
+
+    else if(uri.match(/hitbox\.tv\/video\/[0-9]+/))
+        exec(mpv, uri);
+
+    else if(uri.match(/(hitbox|twitch)\.tv/))
+        exec("livestreamer", uri);
+
+    // For everything else.
+    else
+        exec(mpv, uri);
+}
+
+hints.addMode("q", "Launch video from hint", function(elem, loc) launchv(loc));
+commands.add(["launchv", "lv"], "Launches current buffer video", function(args){launchv(buffer.URL);});
diff --git a/pentadactyl/user.css b/pentadactyl/user.css
new file mode 100644
index 0000000..4783875
--- /dev/null
+++ b/pentadactyl/user.css
@@ -0,0 +1,91 @@
+@-moz-document url-prefix(about:blank) {*{background-color:#002b36;}} 
+
+@-moz-document url-prefix("http://www.reddit.com/"), url-prefix("https://www.reddit.com/") {
+
+body {
+    /*position: relative;*/
+    overflow-y: hidden;
+}
+
+html {
+    overflow-x: hidden;
+}
+.content {
+	z-index: -1 !important;
+}
+.side {
+    padding-left: 3px;
+    padding-bottom: 3px;
+    border-left: 1px solid rgb(230, 230, 230);
+    border-bottom: 1px solid rgb(230, 230, 230);
+    border-bottom-left-radius: 6px;
+
+}
+
+body>.content, body {
+    /* This MUST apply to prevent showing stuff through the side bar */
+    position: relative !important;
+}
+
+.res-nightmode .side {
+    border-left-color: rgb(102, 102, 102);
+    border-bottom-color: rgb(102, 102, 102);
+
+}
+
+.side {
+    margin-left: 0px !important;
+
+    margin-right: -280px !important;
+
+    z-index: 5;
+
+    
+
+    opacity: 0.6;
+    transition: opacity 0.5s, margin 0.5s;
+
+    transition-delay: 1s;
+
+    transition-timing-function: ease-in-out;
+
+}
+
+.side:hover, .side:focus {
+    transition: opacity 0.2s, margin 0.2s;
+    /* Apply a negative margin to the left to prevent the content from
+       being shuffled around by the side bar */
+    margin-left: -280px !important;
+    margin-right: 0px !important;
+    opacity: 1;
+    transition-delay: 0s;
+
+}
+
+.content {
+    margin-right: 40px !important;
+}
+
+}
+
+@-moz-document url-prefix("https://news.ycombinator.com") {
+    html,#hnmain {
+      background-color: #002b36 !important;
+    }
+
+    #hnmain > tbody > tr:first-child > td {
+      background-color: #073642 !important;
+    }
+
+    * {
+      color: #839496 !important;
+      font-family: "Source Code Pro";
+      font-weight: 9pt;
+    }
+
+    textarea,input {
+      background-color: #002b36 !important;
+      color: #839496;
+      border: 1pt solid #586e75;
+    }
+}
\ No newline at end of file