2 files changed, 43 insertions, 0 deletions
diff --git a/src/server/Design/Animation/Keyframes.hs b/src/server/Design/Animation/Keyframes.hs
new file mode 100644
index 0000000..3ea5575
--- /dev/null
+++ b/src/server/Design/Animation/Keyframes.hs
@@ -0,0 +1,26 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module Design.Animation.Keyframes
+  ( Keyframes(..)
+  , allKeyframes
+  ) where
+
+import Data.String (fromString)
+
+import Clay
+
+data Keyframes =
+  OpacityKeyframes
+  deriving (Eq, Show)
+
+allKeyframes :: Css
+allKeyframes =
+  keyframes
+    (fromString . show $ OpacityKeyframes)
+    [ ( 0
+      , opacity 0
+      )
+    , ( 100
+      , opacity 1
+      )
+    ]
diff --git a/src/server/Design/Animation/Opacity.hs b/src/server/Design/Animation/Opacity.hs
new file mode 100644
index 0000000..cc720fd
--- /dev/null
+++ b/src/server/Design/Animation/Opacity.hs
@@ -0,0 +1,17 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module Design.Animation.Opacity
+  ( opacityAnimation
+  ) where
+
+import Data.String (fromString)
+
+import Clay
+
+import Design.Animation.Keyframes
+
+opacityAnimation :: Css
+opacityAnimation = do
+  animationName (fromString . show $ OpacityKeyframes)
+  animationDuration (sec 0.2)
+  animationTimingFunction ease