Index: sources/gui/qml/components/RangeRect.qml
===================================================================
diff -u -r839893734937449efb6e7c31787d2c44515b69af -rbbbd9cbf805779ef498a8f59cc74b9b597802a55
--- sources/gui/qml/components/RangeRect.qml	(.../RangeRect.qml)	(revision 839893734937449efb6e7c31787d2c44515b69af)
+++ sources/gui/qml/components/RangeRect.qml	(.../RangeRect.qml)	(revision bbbd9cbf805779ef498a8f59cc74b9b597802a55)
@@ -46,7 +46,7 @@
     property bool   hasBorder           : false
 
     color   : Colors.backgroundRangeRect
-    radius  : isRoundedEnds ? Variables.rangeRectRadiusRounded : Variables.rangeRectRadius
+    radius  : isRoundedEnds ? (height/2) : Variables.rangeRectRadius
 
     border.width: hasBorder ? Variables.rangeRectBorderWidth : 0
     border.color: Colors.rangeRectBorderColor
Index: sources/gui/qml/components/RangeSlider.qml
===================================================================
diff -u -rc9f8f8cf3c6c37fc6460d8675c62c9442c4d4263 -rbbbd9cbf805779ef498a8f59cc74b9b597802a55
--- sources/gui/qml/components/RangeSlider.qml	(.../RangeSlider.qml)	(revision c9f8f8cf3c6c37fc6460d8675c62c9442c4d4263)
+++ sources/gui/qml/components/RangeSlider.qml	(.../RangeSlider.qml)	(revision bbbd9cbf805779ef498a8f59cc74b9b597802a55)
@@ -79,10 +79,14 @@
 
     /// root attributes
     clip            :  false
+    color: Colors.transparent
 
     height          : Variables.progressbarHeight
     touchMargin     : 25
 
+    isRoundedEnds   : true
+    hasBorder       : true
+
     minimum         : 0
     maximum         : 0
 
@@ -107,7 +111,7 @@
     ///
     function setAdjusted() {
         function check() {
-            _rangeRect   .color = minAdjusted && maxAdjusted ? Colors.createTreatmentActive : Colors.createTreatmentInactive
+            _rangeRect   .color = minAdjusted && maxAdjusted ? Colors.sliderHighlightColor : Colors.createTreatmentInactive
             _handlerLeft .color = minAdjusted ? Colors.createTreatmentActive: Colors.createTreatmentInactive
             _handlerRight.color = maxAdjusted ? Colors.createTreatmentActive: Colors.createTreatmentInactive
         }
@@ -226,13 +230,13 @@
         property alias  lowerBound  : _rangeRect.minimum
         property alias  upperBound  : _rangeRect.maximum
         property real   minmaxDiff  : parent.maximum - parent.minimum
-
         x       : minmaxDiff ? ((parent.width * (lowerBound - parent.minimum)) / minmaxDiff) : minmaxDiff
         width   : minmaxDiff ? ((parent.width * (upperBound - lowerBound    )) / minmaxDiff) : minmaxDiff
         height  : parent.height
 
-        radius  : 0
         decimal : _root.decimal
+        isRoundedEnds   : _root.isRoundedEnds
+        hasBorder       : _root.hasBorder
 
         minText {
             visible: false
@@ -268,6 +272,9 @@
             step        : _root.step
             stepSnap    : _root.stepSnap
             textColor   : _root.color
+            length      : _rangeRect.height
+            isTickMarkRound : _root.isRoundedEnds
+            yDisplacement   : _root.isRoundedEnds ? (-_rangeRect.height) : 0
         }
     }
 
Index: sources/gui/qml/components/TickMarks.qml
===================================================================
diff -u -r839893734937449efb6e7c31787d2c44515b69af -rbbbd9cbf805779ef498a8f59cc74b9b597802a55
--- sources/gui/qml/components/TickMarks.qml	(.../TickMarks.qml)	(revision 839893734937449efb6e7c31787d2c44515b69af)
+++ sources/gui/qml/components/TickMarks.qml	(.../TickMarks.qml)	(revision bbbd9cbf805779ef498a8f59cc74b9b597802a55)
@@ -42,7 +42,7 @@
     property bool   isTickMarkRound         : false
     property real   roundTickMarkDiameter   : Variables.sliderDefaultRoundTickMarkDiameter
     property real   yDisplacement           : 0
-    property bool   showFirstMark           : false
+    property bool   showFirstMark           : true
 
     property bool   textVisible : false
     property color  textColor   : Colors.textMain
Index: sources/gui/qml/globals/Variables.qml
===================================================================
diff -u -r839893734937449efb6e7c31787d2c44515b69af -rbbbd9cbf805779ef498a8f59cc74b9b597802a55
--- sources/gui/qml/globals/Variables.qml	(.../Variables.qml)	(revision 839893734937449efb6e7c31787d2c44515b69af)
+++ sources/gui/qml/globals/Variables.qml	(.../Variables.qml)	(revision bbbd9cbf805779ef498a8f59cc74b9b597802a55)
@@ -71,7 +71,6 @@
 
     readonly property int rangeRectMargin                       : 1
     readonly property int rangeRectRadius                       : 2
-    readonly property int rangeRectRadiusRounded                : sliderCreateTreatmentHeight/2
     readonly property int rangeRectTextMargin                   : 7
     readonly property int rangeRectBorderWidth                  : 2
     readonly property int rangeMarkerHeight                     : 60
Index: sources/gui/qml/pages/pretreatment/create/PreTreatmentCreate.qml
===================================================================
diff -u -r930128c05f11253bddce102380f4512dbb454aae -rbbbd9cbf805779ef498a8f59cc74b9b597802a55
--- sources/gui/qml/pages/pretreatment/create/PreTreatmentCreate.qml	(.../PreTreatmentCreate.qml)	(revision 930128c05f11253bddce102380f4512dbb454aae)
+++ sources/gui/qml/pages/pretreatment/create/PreTreatmentCreate.qml	(.../PreTreatmentCreate.qml)	(revision bbbd9cbf805779ef498a8f59cc74b9b597802a55)
@@ -412,7 +412,7 @@
                 RangeSlider { id: _arterialPressureLimits
                     objectName  : "_arterialPressureLimitsSlider"
                     // dimension
-                    height          : Variables.progressbarFluidHeight
+                    height          : Variables.sliderCreateTreatmentHeight
                     width           : Variables.createTreatmentSliderWidth
                     diameter        : Variables.sliderCircleDiameter
                     anchors.horizontalCenter: parent.horizontalCenter
@@ -498,7 +498,7 @@
                 RangeSlider { id: _venousPressureLimits
                     objectName: "_venousPressureLimitsSlider"
                     // dimension
-                    height          : Variables.progressbarFluidHeight
+                    height          : Variables.sliderCreateTreatmentHeight
                     width           : Variables.createTreatmentSliderWidth
                     diameter        : Variables.sliderCircleDiameter
                     anchors.horizontalCenter: parent.horizontalCenter