diff --git a/src/df/gfx/df_gfx.c b/src/df/gfx/df_gfx.c
index 38bcbd6d..03ad1170 100644
--- a/src/df/gfx/df_gfx.c
+++ b/src/df/gfx/df_gfx.c
@@ -5352,11 +5352,11 @@ df_window_update_and_render(Arena *arena, OS_EventList *events, DF_Window *ws, D
         F32 tab_bar_vheight = ui_top_font_size()*2.6f;
         F32 tab_bar_rv_diff = tab_bar_rheight - tab_bar_vheight;
         F32 tab_spacing = ui_top_font_size()*0.4f;
-        Rng2F32 tab_bar_rect = r2f32p(panel_rect.x0, panel_rect.y0, panel_rect.x1, panel_rect.y0 + tab_bar_rheight);
+        Rng2F32 tab_bar_rect = r2f32p(panel_rect.x0, panel_rect.y0, panel_rect.x1, panel_rect.y0 + tab_bar_vheight);
         Rng2F32 content_rect = r2f32p(panel_rect.x0, panel_rect.y0+tab_bar_vheight, panel_rect.x1, panel_rect.y1);
         if(panel->tab_side == Side_Max)
         {
-          tab_bar_rect.y0 = panel_rect.y1 - tab_bar_rheight;
+          tab_bar_rect.y0 = panel_rect.y1 - tab_bar_vheight;
           tab_bar_rect.y1 = panel_rect.y1;
           content_rect.y0 = panel_rect.y0;
           content_rect.y1 = panel_rect.y1 - tab_bar_vheight;
@@ -6418,7 +6418,7 @@ df_window_update_and_render(Arena *arena, OS_EventList *events, DF_Window *ws, D
           }
           
           // rjf: draw overlay
-          if(b->flags & UI_BoxFlag_DrawOverlay)
+          if(b->flags & UI_BoxFlag_DrawOverlay && b->overlay_color.w > 0.05f)
           {
             R_Rect2DInst *inst = d_rect(b->rect, b->overlay_color, 0, 0, 1);
             MemoryCopyArray(inst->corner_radii, b->corner_radii);
@@ -8730,9 +8730,9 @@ internal UI_BOX_CUSTOM_DRAW(df_thread_box_draw_extensions)
   // rjf: draw line before next-to-execute line
   {
     R_Rect2DInst *inst = d_rect(r2f32p(box->rect.x0,
-                                       box->parent->rect.y0 - box->font_size*0.25f,
+                                       box->parent->rect.y0 - box->font_size*0.075f,
                                        box->rect.x0 + box->font_size*260*u->alive_t,
-                                       box->parent->rect.y0 + box->font_size*0.25f),
+                                       box->parent->rect.y0 + box->font_size*0.075f),
                                 v4f32(u->thread_color.x, u->thread_color.y, u->thread_color.z, 0),
                                 0, 0, 1);
     inst->colors[Corner_00] = inst->colors[Corner_01] = u->thread_color;
@@ -8797,9 +8797,9 @@ internal UI_BOX_CUSTOM_DRAW(df_bp_box_draw_extensions)
   // rjf: draw line before next-to-execute line
   {
     R_Rect2DInst *inst = d_rect(r2f32p(box->rect.x0,
-                                       box->parent->rect.y0 - ui_top_font_size()*0.225f,
+                                       box->parent->rect.y0 - box->font_size*0.075f,
                                        box->rect.x0 + ui_top_font_size()*250.f*u->alive_t,
-                                       box->parent->rect.y0 + ui_top_font_size()*0.225f),
+                                       box->parent->rect.y0 + box->font_size*0.075f),
                                 v4f32(u->color.x, u->color.y, u->color.z, 0),
                                 0, 0, 1.f);
     inst->colors[Corner_00] = inst->colors[Corner_01] = u->color;
@@ -8867,7 +8867,7 @@ df_code_slice(DF_Window *ws, DF_CtrlCtx *ctrl_ctx, EVAL_ParseCtx *parse_ctx, DF_
     ui_set_next_child_layout_axis(Axis2_X);
     ui_set_next_pref_width(ui_px(params->line_text_max_width_px, 1));
     ui_set_next_pref_height(ui_children_sum(1));
-    top_container_box = ui_build_box_from_string(UI_BoxFlag_DisableFocusViz|UI_BoxFlag_DrawBorder|UI_BoxFlag_DrawBackground|UI_BoxFlag_DrawDropShadow, string);
+    top_container_box = ui_build_box_from_string(UI_BoxFlag_DisableFocusViz|UI_BoxFlag_DrawBorder, string);
     clipped_top_container_rect = top_container_box->rect;
     for(UI_Box *b = top_container_box; !ui_box_is_nil(b); b = b->parent)
     {
@@ -9724,7 +9724,7 @@ df_code_slice(DF_Window *ws, DF_CtrlCtx *ctrl_ctx, EVAL_ParseCtx *parse_ctx, DF_
         // rjf: build line num box
         ui_set_next_text_color(text_color);
         ui_set_next_background_color(bg_color);
-        ui_build_box_from_stringf(UI_BoxFlag_DrawText|UI_BoxFlag_DrawBackground, "%I64u##line_num", line_num);
+        ui_build_box_from_stringf(UI_BoxFlag_DrawText, "%I64u##line_num", line_num);
       }
     }
   }
diff --git a/src/df/gfx/df_views.c b/src/df/gfx/df_views.c
index bbc1c784..939aefd7 100644
--- a/src/df/gfx/df_views.c
+++ b/src/df/gfx/df_views.c
@@ -4990,7 +4990,6 @@ DF_VIEW_UI_FUNCTION_DEF(Code)
     ui_set_next_child_layout_axis(Axis2_Y);
     container_box = ui_build_box_from_stringf(UI_BoxFlag_Clip|
                                               UI_BoxFlag_Scroll|
-                                              UI_BoxFlag_DrawBorder|
                                               UI_BoxFlag_AllowOverflowX|
                                               UI_BoxFlag_AllowOverflowY,
                                               "###code_area_%p", view);
diff --git a/src/render/d3d11/generated/render_d3d11.meta.h b/src/render/d3d11/generated/render_d3d11.meta.h
index 033faa3e..36011990 100644
--- a/src/render/d3d11/generated/render_d3d11.meta.h
+++ b/src/render/d3d11/generated/render_d3d11.meta.h
@@ -168,12 +168,6 @@ str8_lit_comp(
 "  // rjf: determine SDF sample position\n"
 "  float2 sdf_sample_pos = vertex2pixel.sdf_sample_pos;\n"
 "  \n"
-"  // rjf: sample for corners\n"
-"  float corner_sdf_s = rect_sdf(sdf_sample_pos,\n"
-"                                vertex2pixel.rect_half_size_px - float2(vertex2pixel.softness_px*2.f, vertex2pixel.softness_px*2.f),\n"
-"                                vertex2pixel.corner_radius_px);\n"
-"  float corner_sdf_t = 1-smoothstep(0, 2*vertex2pixel.softness_px, corner_sdf_s);\n"
-"  \n"
 "  // rjf: sample for borders\n"
 "  float border_sdf_t = 1;\n"
 "  if(vertex2pixel.border_thickness_px > 0)\n"
@@ -188,6 +182,16 @@ str8_lit_comp(
 "    discard;\n"
 "  }\n"
 "  \n"
+"  // rjf: sample for corners\n"
+"  float corner_sdf_t = 1;\n"
+"  if(vertex2pixel.corner_radius_px > 0)\n"
+"  {\n"
+"    float corner_sdf_s = rect_sdf(sdf_sample_pos,\n"
+"                                  vertex2pixel.rect_half_size_px - float2(vertex2pixel.softness_px*2.f, vertex2pixel.softness_px*2.f),\n"
+"                                  vertex2pixel.corner_radius_px);\n"
+"    corner_sdf_t = 1-smoothstep(0, 2*vertex2pixel.softness_px, corner_sdf_s);\n"
+"  }\n"
+"  \n"
 "  // rjf: form+return final color\n"
 "  float4 final_color = albedo_sample;\n"
 "  final_color *= tint;\n"
diff --git a/src/render/d3d11/render_d3d11.mdesk b/src/render/d3d11/render_d3d11.mdesk
index 35694248..5c3d1970 100644
--- a/src/render/d3d11/render_d3d11.mdesk
+++ b/src/render/d3d11/render_d3d11.mdesk
@@ -167,12 +167,6 @@ ps_main(Vertex2Pixel vertex2pixel) : SV_TARGET
   // rjf: determine SDF sample position
   float2 sdf_sample_pos = vertex2pixel.sdf_sample_pos;
   
-  // rjf: sample for corners
-  float corner_sdf_s = rect_sdf(sdf_sample_pos,
-                                vertex2pixel.rect_half_size_px - float2(vertex2pixel.softness_px*2.f, vertex2pixel.softness_px*2.f),
-                                vertex2pixel.corner_radius_px);
-  float corner_sdf_t = 1-smoothstep(0, 2*vertex2pixel.softness_px, corner_sdf_s);
-  
   // rjf: sample for borders
   float border_sdf_t = 1;
   if(vertex2pixel.border_thickness_px > 0)
@@ -187,6 +181,16 @@ ps_main(Vertex2Pixel vertex2pixel) : SV_TARGET
     discard;
   }
   
+  // rjf: sample for corners
+  float corner_sdf_t = 1;
+  if(vertex2pixel.corner_radius_px > 0)
+  {
+    float corner_sdf_s = rect_sdf(sdf_sample_pos,
+                                  vertex2pixel.rect_half_size_px - float2(vertex2pixel.softness_px*2.f, vertex2pixel.softness_px*2.f),
+                                  vertex2pixel.corner_radius_px);
+    corner_sdf_t = 1-smoothstep(0, 2*vertex2pixel.softness_px, corner_sdf_s);
+  }
+  
   // rjf: form+return final color
   float4 final_color = albedo_sample;
   final_color *= tint;