diff --git a/packages/main/src/themes/SegmentedButton.css b/packages/main/src/themes/SegmentedButton.css
index d04924f9826e..35ead3009be4 100644
--- a/packages/main/src/themes/SegmentedButton.css
+++ b/packages/main/src/themes/SegmentedButton.css
@@ -6,35 +6,54 @@
 
 .ui5-segmented-button-root {
 	display: flex;
-    margin: 0;
-    padding: 0;
+	margin: 0;
+	padding: 0;
+	background-color: var(--_ui5_segmented_btn_background_color);
+	border-radius: var(--_ui5_segmented_btn_inner_border_radius);
 }
 
 ::slotted([ui5-segmented-button-item]) {
-	border-radius: 0;
+	border-radius: var(--_ui5_segmented_btn_inner_border_radius);
 	height: var(--_ui5_button_base_height);
 	min-width: 2.5rem;
 	white-space: nowrap;
 	overflow: hidden;
 	text-overflow: ellipsis;
+	border: var(--_ui5_segmented_btn_inner_border);
+}
+
+::slotted([ui5-segmented-button-item][pressed]) {
+	border: 0.0625rem solid var(--sapButton_Selected_BorderColor)
 }
 
 ::slotted([ui5-segmented-button-item]:nth-child(odd)) {
-	border: 1px solid var(--sapButton_Selected_BorderColor);
-	border-right: 0;
-	border-left: 0;
+	border-right: var(--_ui5_segmented_btn_inner_border_odd_child);
+	border-left: var(--_ui5_segmented_btn_inner_border_odd_child);
+}
+
+::slotted([ui5-segmented-button-item][pressed]:nth-child(odd)) {
+	border-right: var(--_ui5_segmented_btn_inner_pressed_border_odd_child);
+	border-left: var(--_ui5_segmented_btn_inner_pressed_border_odd_child);
 }
 
 ::slotted([ui5-segmented-button-item]:last-child) {
 	border-top-right-radius: var(--_ui5_segmented_btn_border_radius);
 	border-bottom-right-radius: var(--_ui5_segmented_btn_border_radius);
-	border-right: 1px solid var(--sapButton_Selected_BorderColor);
+	border-right: var(--_ui5_segmented_btn_inner_border);
+}
+
+::slotted([ui5-segmented-button-item][pressed]:last-child) {
+	border-right: 0.0625rem solid var(--sapButton_Selected_BorderColor);
 }
 
 ::slotted([ui5-segmented-button-item]:first-child) {
 	border-top-left-radius: var(--_ui5_segmented_btn_border_radius);
 	border-bottom-left-radius: var(--_ui5_segmented_btn_border_radius);
-	border-left: 1px solid var(--sapButton_Selected_BorderColor);
+	border-left: var(--_ui5_segmented_btn_inner_border);
+}
+
+::slotted([ui5-segmented-button-item][pressed]:first-child) {
+	border-left: 0.0625rem solid var(--sapButton_Selected_BorderColor);
 }
 
 [dir="rtl"] ::slotted([ui5-segmented-button-item]:first-child) {
@@ -42,7 +61,11 @@
 	border-bottom-right-radius: var(--_ui5_segmented_btn_border_radius);
 	border-top-left-radius: 0;
 	border-bottom-left-radius: 0;
-	border-right: 1px solid var(--sapButton_Selected_BorderColor);
+	border-right: var(--_ui5_segmented_btn_inner_border);
+}
+
+[dir="rtl"] ::slotted([ui5-segmented-button-item][pressed]:first-child) {
+	border-right: 0.0625rem solid var(--sapButton_Selected_BorderColor);
 }
 
 [dir="rtl"] ::slotted([ui5-segmented-button-item]:last-child) {
@@ -50,7 +73,11 @@
 	border-bottom-right-radius: 0;
 	border-top-left-radius: var(--_ui5_segmented_btn_border_radius);
 	border-bottom-left-radius: var(--_ui5_segmented_btn_border_radius);
-	border-left: 1px solid var(--sapButton_Selected_BorderColor);
+	border-left: var(--_ui5_segmented_btn_inner_border);
+}
+
+[dir="rtl"] ::slotted([ui5-segmented-button-item][pressed]:last-child) {
+	border-left: 0.0625rem solid var(--sapButton_Selected_BorderColor);
 }
 
 [dir="rtl"] ::slotted([ui5-segmented-button-item]:only-child) {
@@ -58,4 +85,4 @@
 	border-bottom-right-radius: var(--_ui5_segmented_btn_border_radius);
 	border-top-left-radius: var(--_ui5_segmented_btn_border_radius);
 	border-bottom-left-radius: var(--_ui5_segmented_btn_border_radius);
-}
+}
\ No newline at end of file
diff --git a/packages/main/src/themes/base/SegmentedButtton-parameters.css b/packages/main/src/themes/base/SegmentedButtton-parameters.css
new file mode 100644
index 000000000000..c937b7f4554b
--- /dev/null
+++ b/packages/main/src/themes/base/SegmentedButtton-parameters.css
@@ -0,0 +1,8 @@
+:root {
+	--_ui5_segmented_btn_inner_border: 0.0625rem solid var(--sapButton_Selected_BorderColor);
+	--_ui5_segmented_btn_inner_border_odd_child: 0;
+	--_ui5_segmented_btn_inner_pressed_border_odd_child: 0;
+	--_ui5_segmented_btn_border_radius: 0.35rem;
+	--_ui5_segmented_btn_inner_border_radius: 0;
+	--_ui5_segmented_btn_background_color: transparent;
+}
\ No newline at end of file
diff --git a/packages/main/src/themes/sap_belize/parameters-bundle.css b/packages/main/src/themes/sap_belize/parameters-bundle.css
index d48fd4691a73..6efe32e8f3e9 100644
--- a/packages/main/src/themes/sap_belize/parameters-bundle.css
+++ b/packages/main/src/themes/sap_belize/parameters-bundle.css
@@ -23,6 +23,7 @@
 @import "../base/PopupsCommon-parameters.css";
 @import "./ProgressIndicator-parameters.css";
 @import "../base/RadioButton-parameters.css";
+@import "../base/SegmentedButtton-parameters.css";
 @import "../base/Select-parameters.css";
 @import "../base/Switch-parameters.css";
 @import "./TabContainer-parameters.css";
diff --git a/packages/main/src/themes/sap_belize_hcb/parameters-bundle.css b/packages/main/src/themes/sap_belize_hcb/parameters-bundle.css
index 0bd572e59ce2..40a45d26c04f 100644
--- a/packages/main/src/themes/sap_belize_hcb/parameters-bundle.css
+++ b/packages/main/src/themes/sap_belize_hcb/parameters-bundle.css
@@ -23,6 +23,7 @@
 @import "../base/PopupsCommon-parameters.css";
 @import "./ProgressIndicator-parameters.css";
 @import "./RadioButton-parameters.css";
+@import "../base/SegmentedButtton-parameters.css";
 @import "./Select-parameters.css";
 @import "./Switch-parameters.css";
 @import "./TabContainer-parameters.css";
diff --git a/packages/main/src/themes/sap_belize_hcw/parameters-bundle.css b/packages/main/src/themes/sap_belize_hcw/parameters-bundle.css
index e4646a14b078..417c6e332e3a 100644
--- a/packages/main/src/themes/sap_belize_hcw/parameters-bundle.css
+++ b/packages/main/src/themes/sap_belize_hcw/parameters-bundle.css
@@ -23,6 +23,7 @@
 @import "../base/PopupsCommon-parameters.css";
 @import "./ProgressIndicator-parameters";
 @import "./RadioButton-parameters.css";
+@import "../base/SegmentedButtton-parameters.css";
 @import "./Select-parameters.css";
 @import "./Switch-parameters.css";
 @import "./TabContainer-parameters.css";
diff --git a/packages/main/src/themes/sap_fiori_3/parameters-bundle.css b/packages/main/src/themes/sap_fiori_3/parameters-bundle.css
index 5caeac5839a5..ed622102566c 100644
--- a/packages/main/src/themes/sap_fiori_3/parameters-bundle.css
+++ b/packages/main/src/themes/sap_fiori_3/parameters-bundle.css
@@ -22,6 +22,7 @@
 @import "../base/PopupsCommon-parameters.css";
 @import "../base/ProgressIndicator-parameters.css";
 @import "../base/RadioButton-parameters.css";
+@import "../base/SegmentedButtton-parameters.css";
 @import "../base/Select-parameters.css";
 @import "../base/Switch-parameters.css";
 @import "./TabContainer-parameters.css";
diff --git a/packages/main/src/themes/sap_fiori_3_dark/parameters-bundle.css b/packages/main/src/themes/sap_fiori_3_dark/parameters-bundle.css
index b6104e860fc0..9b7cf9afa2b9 100644
--- a/packages/main/src/themes/sap_fiori_3_dark/parameters-bundle.css
+++ b/packages/main/src/themes/sap_fiori_3_dark/parameters-bundle.css
@@ -22,6 +22,7 @@
 @import "../base/PopupsCommon-parameters.css";
 @import "../base/ProgressIndicator-parameters.css";
 @import "../base/RadioButton-parameters.css";
+@import "../base/SegmentedButtton-parameters.css";
 @import "../base/Select-parameters.css";
 @import "../base/Switch-parameters.css";
 @import "./TabContainer-parameters.css";
diff --git a/packages/main/src/themes/sap_fiori_3_hcb/parameters-bundle.css b/packages/main/src/themes/sap_fiori_3_hcb/parameters-bundle.css
index 5882d7bf8bf5..58bcef5102d8 100644
--- a/packages/main/src/themes/sap_fiori_3_hcb/parameters-bundle.css
+++ b/packages/main/src/themes/sap_fiori_3_hcb/parameters-bundle.css
@@ -23,6 +23,7 @@
 @import "../base/PopupsCommon-parameters.css";
 @import "./ProgressIndicator-parameters";
 @import "./RadioButton-parameters.css";
+@import "../base/SegmentedButtton-parameters.css";
 @import "./Select-parameters.css";
 @import "./Switch-parameters.css";
 @import "./TabContainer-parameters.css";
diff --git a/packages/main/src/themes/sap_fiori_3_hcw/parameters-bundle.css b/packages/main/src/themes/sap_fiori_3_hcw/parameters-bundle.css
index 5882d7bf8bf5..58bcef5102d8 100644
--- a/packages/main/src/themes/sap_fiori_3_hcw/parameters-bundle.css
+++ b/packages/main/src/themes/sap_fiori_3_hcw/parameters-bundle.css
@@ -23,6 +23,7 @@
 @import "../base/PopupsCommon-parameters.css";
 @import "./ProgressIndicator-parameters";
 @import "./RadioButton-parameters.css";
+@import "../base/SegmentedButtton-parameters.css";
 @import "./Select-parameters.css";
 @import "./Switch-parameters.css";
 @import "./TabContainer-parameters.css";
diff --git a/packages/main/src/themes/sap_horizon/SegmentedButtton-parameters.css b/packages/main/src/themes/sap_horizon/SegmentedButtton-parameters.css
new file mode 100644
index 000000000000..7ae7e3eafeb7
--- /dev/null
+++ b/packages/main/src/themes/sap_horizon/SegmentedButtton-parameters.css
@@ -0,0 +1,10 @@
+@import "../base/SegmentedButtton-parameters.css";
+
+:root {
+	--_ui5_segmented_btn_inner_border: 0.0625rem solid transparent;
+	--_ui5_segmented_btn_inner_border_odd_child: 0.0625rem solid transparent;
+	--_ui5_segmented_btn_inner_pressed_border_odd_child: 0.0625rem solid var(--sapButton_Selected_BorderColor);
+	--_ui5_segmented_btn_border_radius: 0.5rem;
+	--_ui5_segmented_btn_inner_border_radius: 0.5rem;
+	--_ui5_segmented_btn_background_color: var(--sapButton_Background);
+}
\ No newline at end of file
diff --git a/packages/main/src/themes/sap_horizon/parameters-bundle.css b/packages/main/src/themes/sap_horizon/parameters-bundle.css
index cc8f2630e9bd..4681bb2db319 100644
--- a/packages/main/src/themes/sap_horizon/parameters-bundle.css
+++ b/packages/main/src/themes/sap_horizon/parameters-bundle.css
@@ -26,6 +26,7 @@
 @import "./ProgressIndicator-parameters.css";
 @import "../base/RadioButton-parameters.css";
 @import "./RatingIndicator-parameters.css";
+@import "./SegmentedButtton-parameters.css";
 @import "./RadioButton-parameters.css";
 @import "../base/Select-parameters.css";
 @import "./SelectPopover-parameters.css";