diff --git a/part13/part12/Component/ElmHub.elm b/part12/Component/ElmHub.elm
similarity index 100%
rename from part13/part12/Component/ElmHub.elm
rename to part12/Component/ElmHub.elm
diff --git a/part13/part12/Component/SearchResult.elm b/part12/Component/SearchResult.elm
similarity index 100%
rename from part13/part12/Component/SearchResult.elm
rename to part12/Component/SearchResult.elm
diff --git a/part12/Main.elm b/part12/Main.elm
index fa4bada..5b8e88e 100644
--- a/part12/Main.elm
+++ b/part12/Main.elm
@@ -1,7 +1,7 @@
 module Main (..) where
 
 import StartApp
-import ElmHub exposing (..)
+import Component.ElmHub exposing (..)
 import Effects exposing (Effects)
 import Task exposing (Task)
 import Html exposing (Html)
diff --git a/part12/README.md b/part12/README.md
index 7fcc3c3..deddbd0 100644
--- a/part12/README.md
+++ b/part12/README.md
@@ -15,9 +15,3 @@ to fail; in that case, just run `elm package install` again.)
 ```bash
 elm live Main.elm --open -- --output=elm.js
 ```
-
-## Compiling CSS
-
-```bash
-elm css Stylesheets.elm
-```
diff --git a/part12/elm-package.json b/part12/elm-package.json
index 2f19503..ba40466 100644
--- a/part12/elm-package.json
+++ b/part12/elm-package.json
@@ -4,17 +4,14 @@
     "repository": "https://github.com/rtfeldman/elm-workshop.git",
     "license": "BSD-3-Clause",
     "source-directories": [
-        ".",
-        ".."
+        ".", ".."
     ],
     "exposed-modules": [],
     "dependencies": {
-        "NoRedInk/elm-decode-pipeline": "1.0.0 <= v < 2.0.0",
         "elm-lang/core": "3.0.0 <= v < 4.0.0",
         "evancz/elm-effects": "2.0.0 <= v < 3.0.0",
         "evancz/elm-html": "4.0.0 <= v < 5.0.0",
         "evancz/elm-http": "3.0.0 <= v < 4.0.0",
-        "rtfeldman/elm-css": "1.0.0 <= v < 2.0.0",
         "evancz/start-app": "2.0.0 <= v < 3.0.0"
     },
     "elm-version": "0.16.0 <= v < 0.17.0"
diff --git a/part12/style.css b/part12/style.css
index d030733..64c74d7 100644
--- a/part12/style.css
+++ b/part12/style.css
@@ -90,12 +90,3 @@ a:hover {
 button:focus, input:focus {
   outline: none;
 }
-
-.error {
-  background-color: #FF9632;
-  padding: 20px;
-  box-sizing: border-box;
-  overflow-x: auto;
-  font-family: monospace;
-  font-size: 18px;
-}
diff --git a/part12/ElmHub.elm b/part13/ElmHub.elm
similarity index 100%
rename from part12/ElmHub.elm
rename to part13/ElmHub.elm
diff --git a/part12/ElmHub/Css.elm b/part13/ElmHub/Css.elm
similarity index 100%
rename from part12/ElmHub/Css.elm
rename to part13/ElmHub/Css.elm
diff --git a/part13/part12/Main.elm b/part13/Main.elm
similarity index 91%
rename from part13/part12/Main.elm
rename to part13/Main.elm
index 5b8e88e..fa4bada 100644
--- a/part13/part12/Main.elm
+++ b/part13/Main.elm
@@ -1,7 +1,7 @@
 module Main (..) where
 
 import StartApp
-import Component.ElmHub exposing (..)
+import ElmHub exposing (..)
 import Effects exposing (Effects)
 import Task exposing (Task)
 import Html exposing (Html)
diff --git a/part13/part12/README.md b/part13/README.md
similarity index 83%
rename from part13/part12/README.md
rename to part13/README.md
index 3b4c4bb..3a709ab 100644
--- a/part13/part12/README.md
+++ b/part13/README.md
@@ -15,3 +15,9 @@ to fail; in that case, just run `elm package install` again.)
 ```bash
 elm live Main.elm --open -- --output=elm.js
 ```
+
+## Compiling CSS
+
+```bash
+elm css Stylesheets.elm
+```
diff --git a/part12/SearchResult.elm b/part13/SearchResult.elm
similarity index 100%
rename from part12/SearchResult.elm
rename to part13/SearchResult.elm
diff --git a/part12/Stylesheets.elm b/part13/Stylesheets.elm
similarity index 100%
rename from part12/Stylesheets.elm
rename to part13/Stylesheets.elm
diff --git a/part13/part12/elm-package.json b/part13/asdf/elm-package.json
similarity index 86%
rename from part13/part12/elm-package.json
rename to part13/asdf/elm-package.json
index ba40466..6968946 100644
--- a/part13/part12/elm-package.json
+++ b/part13/asdf/elm-package.json
@@ -4,10 +4,12 @@
     "repository": "https://github.com/rtfeldman/elm-workshop.git",
     "license": "BSD-3-Clause",
     "source-directories": [
-        ".", ".."
+        ".",
+        ".."
     ],
     "exposed-modules": [],
     "dependencies": {
+        "NoRedInk/elm-decode-pipeline": "1.0.0 <= v < 2.0.0",
         "elm-lang/core": "3.0.0 <= v < 4.0.0",
         "evancz/elm-effects": "2.0.0 <= v < 3.0.0",
         "evancz/elm-html": "4.0.0 <= v < 5.0.0",
diff --git a/part13/part12/style.css b/part13/asdf/style.css
similarity index 90%
rename from part13/part12/style.css
rename to part13/asdf/style.css
index 64c74d7..d030733 100644
--- a/part13/part12/style.css
+++ b/part13/asdf/style.css
@@ -90,3 +90,12 @@ a:hover {
 button:focus, input:focus {
   outline: none;
 }
+
+.error {
+  background-color: #FF9632;
+  padding: 20px;
+  box-sizing: border-box;
+  overflow-x: auto;
+  font-family: monospace;
+  font-size: 18px;
+}
diff --git a/part13/part12/elm-hub.png b/part13/elm-hub.png
similarity index 100%
rename from part13/part12/elm-hub.png
rename to part13/elm-hub.png
diff --git a/part13/part12/index.html b/part13/index.html
similarity index 100%
rename from part13/part12/index.html
rename to part13/index.html
diff --git a/part13/part12/test/TestRunner.elm b/part13/test/TestRunner.elm
similarity index 100%
rename from part13/part12/test/TestRunner.elm
rename to part13/test/TestRunner.elm
diff --git a/part13/part12/test/Tests.elm b/part13/test/Tests.elm
similarity index 100%
rename from part13/part12/test/Tests.elm
rename to part13/test/Tests.elm
diff --git a/part13/part12/test/elm-package.json b/part13/test/elm-package.json
similarity index 100%
rename from part13/part12/test/elm-package.json
rename to part13/test/elm-package.json