Create Overview for Learn Piano Chords

Since I've published this, I should include an Overview page to orient potential
users. This Overview could be better -- as could many things with this app --
but it's a start, and I'm seeking small wins.

2 files changed, 94 insertions, 2 deletions

diff --git a/website/sandbox/learnpianochords/src/Overview.elm b/website/sandbox/learnpianochords/src/Overview.elm
index 432477aa3bb9..2fa3b3cb14c6 100644
--- a/website/sandbox/learnpianochords/src/Overview.elm
+++ b/website/sandbox/learnpianochords/src/Overview.elm
@@ -4,8 +4,100 @@ import Html exposing (..)
 import Html.Attributes exposing (..)
 import Html.Events exposing (..)
 import State
+import UI
+
+
+header1 : String -> Html msg
+header1 copy =
+    h2
+        [ [ "text-center", "text-6xl", "pt-24", "pb-12" ]
+            |> UI.tw
+            |> class
+        ]
+        [ text copy ]
+
+
+header2 : String -> Html msg
+header2 copy =
+    h2 [ [ "text-center", "text-5xl", "pb-10" ] |> UI.tw |> class ]
+        [ text copy ]
+
+
+paragraph : String -> Html msg
+paragraph copy =
+    p [ [ "text-4xl", "pb-10" ] |> UI.tw |> class ]
+        [ text copy ]
+
+
+sect : { title : String, copy : List String } -> Html msg
+sect { title, copy } =
+    section [] (header2 title :: (copy |> List.map paragraph))
+
+
+numberedList : List String -> Html msg
+numberedList items =
+    ol
+        [ [ "list-inside"
+          , "list-decimal"
+          , "text-4xl"
+          ]
+            |> UI.tw
+            |> class
+        ]
+        (items |> List.map (\x -> li [ [ "pb-10" ] |> UI.tw |> class ] [ text x ]))
 
 
 render : State.Model -> Html State.Msg
 render model =
-    div [] [ text "Hello, Overview" ]
+    div [ [ "container", "mx-auto", "px-20" ] |> UI.tw |> class ]
+        [ header1 "Welcome to LearnPianoChords.app!"
+        , paragraph """
+                     Learn Piano Chords helps piano players master chords.
+                     """
+        , paragraph """
+                     Chords are the building blocks songwriters use to create
+                     music. Whether you're a performer or songwriter, you need
+                     to understand chords to unlock your full musical potential.
+                     """
+        , paragraph """
+                     I think that if practicing is enjoyable, students will
+                     practice more. Practice doesn’t make perfect; perfect
+                     practice makes perfect.
+                     """
+        , section []
+            [ header2 "Ready to get started?"
+            , numberedList
+                [ """
+                   Sit down at the piano.
+                   """
+                , """
+                   Set the tempo at which you would like to practice.
+                   """
+                , """
+                   Select the key or keys in which you would like to
+                   practice.
+                   """
+                , """
+                   When you are ready, close the preferences pane. We will show
+                   you the name of a chord, and you should play that chord on
+                   the piano.
+                 """
+                , """
+                   If you don't know how to play the chord, toggle the piano
+                   viewer to see the notes.
+                   """
+                , """
+                   At any point while you're training, press the screen to pause
+                   or resume your practice.
+                   """
+                ]
+            ]
+        , div [ [ "text-center", "pt-20" ] |> UI.tw |> class ]
+            [ UI.simpleButton
+                { label = "Let's get started"
+                , handleClick = State.SetView State.Preferences
+                , color = UI.Secondary
+                , classes = []
+                }
+            ]
+        ]
diff --git a/website/sandbox/learnpianochords/src/State.elm b/website/sandbox/learnpianochords/src/State.elm
index 2588d8566ff1..fa08f9441893 100644
--- a/website/sandbox/learnpianochords/src/State.elm
+++ b/website/sandbox/learnpianochords/src/State.elm
@@ -97,7 +97,7 @@ init =
     , tempo = 20
     , firstNote = firstNote
     , lastNote = lastNote
-    , view = Preferences
+    , view = Overview
     }