diff --git a/hui-examples/examples/align.rs b/hui-examples/examples/align_test.rs
similarity index 95%
rename from hui-examples/examples/align.rs
rename to hui-examples/examples/align_test.rs
index fdeced3..f52431d 100644
--- a/hui-examples/examples/align.rs
+++ b/hui-examples/examples/align_test.rs
@@ -66,6 +66,7 @@ fn main() {
           elements: vec![
             Box::new(ProgressBar {
               value: z,
+              border_radius: Corners::all(0.25 * ProgressBar::DEFAULT_HEIGHT),
               ..Default::default()
             }),
             Box::new(Container {
diff --git a/hui-winit/src/lib.rs b/hui-winit/src/lib.rs
index 08a74ae..4ec6b8d 100644
--- a/hui-winit/src/lib.rs
+++ b/hui-winit/src/lib.rs
@@ -2,7 +2,7 @@ use glam::vec2;
 use hui::{event::UiEvent, UiInstance};
 use winit::event::{Event, WindowEvent};
 
-//TODO: window id
+//TODO: check window id
 pub fn handle_winit_event<T>(ui: &mut UiInstance, event: &Event<T>) {
   if let Event::WindowEvent { event, .. } = event {
     match event {
@@ -24,7 +24,7 @@ pub fn handle_winit_event<T>(ui: &mut UiInstance, event: &Event<T>) {
           },
         })
       },
-      //TODO keyboard
+      //TODO: translate keyboard input
       _ => (),
     }
   }
diff --git a/hui/src/draw.rs b/hui/src/draw.rs
index 7b00f93..51d82b4 100644
--- a/hui/src/draw.rs
+++ b/hui/src/draw.rs
@@ -185,7 +185,7 @@ impl UiDrawPlan {
               uv: vec2(0., 0.),
             });
 
-            //TODO: fix some corners tris being invisible (close enough lol)
+            //TODO: fix some corners tris being invisible (but it's already close enough lol)
             let rounded_corner_verts = corner.point_count.get() as u32;
             for i in 0..rounded_corner_verts {
               let cratio = i as f32 / rounded_corner_verts as f32;
diff --git a/hui/src/element/builtin/container.rs b/hui/src/element/builtin/container.rs
index d9c0d2f..82348c4 100644
--- a/hui/src/element/builtin/container.rs
+++ b/hui/src/element/builtin/container.rs
@@ -21,7 +21,7 @@ pub struct Container {
   pub background: Vec4,
   pub borders: Sides<Option<Border>>,
   pub corner_radius: Corners<f32>,
-  //pub clip: bool, //TODO clip children
+  //pub clip: bool, //TODO: clip children
   pub elements: Vec<Box<dyn UiElement>>,
 }
 
diff --git a/hui/src/element/builtin/progress_bar.rs b/hui/src/element/builtin/progress_bar.rs
index e0d3cc1..840138e 100644
--- a/hui/src/element/builtin/progress_bar.rs
+++ b/hui/src/element/builtin/progress_bar.rs
@@ -12,6 +12,10 @@ pub struct ProgressBar {
   pub border_radius: Corners<f32>,
 }
 
+impl ProgressBar {
+  pub const DEFAULT_HEIGHT: f32 = 20.0;
+}
+
 impl Default for ProgressBar {
   fn default() -> Self {
     Self {
@@ -24,8 +28,6 @@ impl Default for ProgressBar {
   }
 }
 
-const BAR_HEIGHT: f32 = 20.0;
-
 impl UiElement for ProgressBar {
   fn name(&self) -> &'static str { "Progress bar" }
 
@@ -38,7 +40,7 @@ impl UiElement for ProgressBar {
           UiSize::Static(p) => p,
         },
         match self.size.1 {
-          UiSize::Auto => BAR_HEIGHT,
+          UiSize::Auto => Self::DEFAULT_HEIGHT,
           UiSize::Fraction(p) => ctx.layout.max_size.y * p,
           UiSize::Static(p) => p,
         }
@@ -52,7 +54,18 @@ impl UiElement for ProgressBar {
     let value = self.value.clamp(0., 1.);
     let rounded_corners =
       (self.border_radius.max_f32() > 0.).then_some({
-        RoundedCorners::from_radius(self.border_radius)
+        //HACK: fix clipping issues; //todo: get rid of this
+        let mut radii = self.border_radius;
+        let width = ctx.measure.size.x * value;
+        if width <= radii.max_f32() * 2. {
+          radii.bottom_right = 0.;
+          radii.top_right = 0.;
+        }
+        if width <= radii.max_f32() {
+          radii.bottom_left = 0.;
+          radii.top_left = 0.;
+        }
+        RoundedCorners::from_radius(radii)
       });
     if value < 1. {
       ctx.draw.add(UiDrawCommand::Rectangle {