diff --git a/src/main/java/krasa/editorGroups/tabs2/impl/rounded/RoundedTabPainter.kt b/src/main/java/krasa/editorGroups/tabs2/impl/rounded/RoundedTabPainter.kt
index 5657fbe..0dcdc08 100644
--- a/src/main/java/krasa/editorGroups/tabs2/impl/rounded/RoundedTabPainter.kt
+++ b/src/main/java/krasa/editorGroups/tabs2/impl/rounded/RoundedTabPainter.kt
@@ -4,16 +4,13 @@ import com.intellij.ui.ColorUtil
 import com.intellij.util.ui.JBInsets
 import krasa.editorGroups.tabs2.EditorGroupsTabsPosition
 import krasa.editorGroups.tabs2.impl.painter.EditorGroupsTabPainter
-import krasa.editorGroups.tabs2.impl.themes.EditorGroupDefaultTabTheme
+import krasa.editorGroups.tabs2.impl.themes.EditorGroupCustomTabTheme
 import krasa.editorGroups.tabs2.impl.themes.EditorGroupTabTheme
-import java.awt.Color
-import java.awt.Graphics2D
-import java.awt.Point
-import java.awt.Rectangle
+import java.awt.*
 import java.awt.geom.RoundRectangle2D
 
 internal open class RoundedTabPainter : EditorGroupsTabPainter {
-  private val theme = EditorGroupDefaultTabTheme()
+  private val theme = EditorGroupCustomTabTheme()
 
   private val regularColors = theme.background to theme.background
 
@@ -132,13 +129,14 @@ internal open class RoundedTabPainter : EditorGroupsTabPainter {
 
     if (fill != null) {
       // Paint rounded tab
-      g.color = fill
+      g.color = ColorUtil.withAlpha(fill, theme.roundTabOpacity.toDouble())
       g.fill(shape)
     }
 
     if (draw != null) {
       // Paint rounded border
       g.color = draw
+      g.stroke = BasicStroke(theme.roundTabBorderWidth)
       g.draw(shape)
     }
   }
diff --git a/src/main/java/krasa/editorGroups/tabs2/impl/themes/EditorGroupCustomTabTheme.kt b/src/main/java/krasa/editorGroups/tabs2/impl/themes/EditorGroupCustomTabTheme.kt
index 7c52155..45956c8 100644
--- a/src/main/java/krasa/editorGroups/tabs2/impl/themes/EditorGroupCustomTabTheme.kt
+++ b/src/main/java/krasa/editorGroups/tabs2/impl/themes/EditorGroupCustomTabTheme.kt
@@ -72,4 +72,7 @@ open class EditorGroupCustomTabTheme : EditorGroupTabTheme {
 
   override val roundTabOpacity: Float
     get() = EditorGroupsUI.backgroundOpacity()
+
+  override val roundTabBorderWidth: Float
+    get() = EditorGroupsUI.roundTabBorderWidth()
 }
\ No newline at end of file
diff --git a/src/main/java/krasa/editorGroups/tabs2/impl/themes/EditorGroupDefaultTabTheme.kt b/src/main/java/krasa/editorGroups/tabs2/impl/themes/EditorGroupDefaultTabTheme.kt
index 2c42c56..cfdd18b 100644
--- a/src/main/java/krasa/editorGroups/tabs2/impl/themes/EditorGroupDefaultTabTheme.kt
+++ b/src/main/java/krasa/editorGroups/tabs2/impl/themes/EditorGroupDefaultTabTheme.kt
@@ -87,4 +87,7 @@ open class EditorGroupDefaultTabTheme : EditorGroupTabTheme {
 
   override val roundTabOpacity: Float
     get() = 0.9f
+
+  override val roundTabBorderWidth: Float
+    get() = 1.0f
 }
\ No newline at end of file
diff --git a/src/main/java/krasa/editorGroups/tabs2/impl/themes/EditorGroupTabTheme.kt b/src/main/java/krasa/editorGroups/tabs2/impl/themes/EditorGroupTabTheme.kt
index 84b9ec8..ce30f0f 100644
--- a/src/main/java/krasa/editorGroups/tabs2/impl/themes/EditorGroupTabTheme.kt
+++ b/src/main/java/krasa/editorGroups/tabs2/impl/themes/EditorGroupTabTheme.kt
@@ -55,4 +55,5 @@ interface EditorGroupTabTheme {
   // Islands
   val roundTabArc: Int
   val roundTabOpacity: Float?
+  val roundTabBorderWidth: Float?
 }
\ No newline at end of file
diff --git a/src/main/java/krasa/editorGroups/tabs2/impl/themes/EditorGroupsUI.kt b/src/main/java/krasa/editorGroups/tabs2/impl/themes/EditorGroupsUI.kt
index c814c91..672daab 100644
--- a/src/main/java/krasa/editorGroups/tabs2/impl/themes/EditorGroupsUI.kt
+++ b/src/main/java/krasa/editorGroups/tabs2/impl/themes/EditorGroupsUI.kt
@@ -107,6 +107,11 @@ object EditorGroupsUI {
     defaultTheme.roundTabOpacity
   )
 
+  fun roundTabBorderWidth(): Float = JBUI.getFloat(
+    "EditorGroupsTabs.roundTabBorderWidth",
+    defaultTheme.roundTabBorderWidth
+  )
+
   fun font(): Font {
     val isCustomFont = EditorGroupsSettings.instance.isCustomFont
     val customFont = EditorGroupsSettings.instance.customFont