Add border to playfield, add shadow to toolbox buttons

osu.Game/Rulesets/Edit/HitObjectComposer.cs

@@ -4,10 +4,12 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using OpenTK.Graphics;
 using osu.Framework.Allocation;
 using osu.Framework.Extensions.IEnumerableExtensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
 using osu.Framework.Logging;
 using osu.Framework.Timing;
 using osu.Game.Rulesets.Edit.Tools;
@@ -65,7 +67,18 @@ namespace osu.Game.Rulesets.Edit
                         {
                             RelativeSizeAxes = Axes.Both,
                             Masking = true,
-                            Child = rulesetContainer
+                            BorderColour = Color4.White,
+                            BorderThickness = 2,
+                            Children = new Drawable[]
+                            {
+                                new Box
+                                {
+                                    RelativeSizeAxes = Axes.Both,
+                                    Alpha = 0,
+                                    AlwaysPresent = true,
+                                },
+                                rulesetContainer
+                            }
                         }
                     },
                 },

osu.Game/Screens/Edit/Screens/Compose/RadioButtons/DrawableRadioButton.cs

@@ -45,6 +45,14 @@ namespace osu.Game.Screens.Edit.Screens.Compose.RadioButtons
             Triangles.Alpha = 0;
             BackgroundColour = DefaultBackgroundColour;
 
+            Content.EdgeEffect = new EdgeEffectParameters
+            {
+                Type = EdgeEffectType.Shadow,
+                Radius = 2,
+                Offset = new Vector2(0, 1),
+                Colour = Color4.Black.Opacity(0.5f)
+            };
+
             Add(bubble = new CircularContainer
             {
                 Anchor = Anchor.CentreLeft,