diff --git a/DapComboBox.qml b/DapComboBox.qml
index efc5185041fbb6d2b07820b3f5dcdd7d03ed9952..27e6e79ca8cfec3164c1902ee3f8256b4cf21844 100644
--- a/DapComboBox.qml
+++ b/DapComboBox.qml
@@ -12,6 +12,8 @@ import QtGraphicalEffects 1.0
 ///@fontSizeComboBox - font size for the entire widget  (px).
 ///@widthPopupComboBoxActive and @widthPopupComboBoxNormal - width of the combo box
 ///                                                 in the active state and in the normal state
+///@heightComboBoxNormal and @heightComboBoxActive - height of the combo box
+///                                                 in the active state and in the normal state
 ///@sidePaddingActive and @sidePaddingNormal - padding width of the combo box in the active state
 ///                                                                     and in the normal state
 ///@sidePaddingActive and @sidePaddingNormal - sets the indent from the edge of the right and left
@@ -21,20 +23,35 @@ import QtGraphicalEffects 1.0
 /// - sets the indent from the edge of the upper and lower edges of the parent in the active and normal state
 ///@indicatorImageNormal and @indicatorImageActive - indicator picture address for active and normal state
 ///@indicatorWidth and @indicatorHeight - indicator width and height
-
+///@heightListElement - List item height
+///@intervalListElement - spacing between items in a list
+///@bottomIntervalListElement - spacing from bottom to bottom
+///@topEffect - Using an effect for the top element
+///@colorTopNormalDropShadow - Color of the shadow effect of the combo box when minimized
+///@colorDropShadow - Unboxed shadow color in expanded state
+///@paddingTopItemDelegate - indent above and below from item delegate
 
 ComboBox {
 
+    property string normalColorText: "#070023"
+    property string hilightColorText: "#FFFFFF"
+
     property string normalColorTopText:normalColorText
     property string hilightColorTopText:normalColorText
 
     property string normalColor: "#FFFFFF"
     property string hilightColor: "#330F54"
+    property string normalTopColor: normalColor
+    property string hilightTopColor: normalColor
+
     property int fontSizeComboBox: 16*pt
 
     property int widthPopupComboBoxNormal: parent.width
     property int widthPopupComboBoxActive: widthPopupComboBoxNormal
 
+    property int heightComboBoxNormal: parent.height
+    property int heightComboBoxActive: heightComboBoxNormal
+
     property int sidePaddingNormal:16 * pt
     property int sidePaddingActive:sidePaddingNormal
 
@@ -44,47 +61,79 @@ ComboBox {
     property int bottomIndentNormal:14 * pt
     property int bottomIndentActive:bottomIndentNormal
 
+    property int paddingTopItemDelegate:8 * pt
+    property int paddingBottomItemDelegate:paddingTopItemDelegate
+
+    property int heightListElement: 32 * pt
+    property int intervalListElement: 10 * pt
+    property int bottomIntervalListElement:intervalListElement
+    property bool topEffect: true
+
     property string indicatorImageNormal: "qrc:/res/icons/ic_arrow_drop_down_dark_blue.png"
     property string indicatorImageActive: "qrc:/res/icons/ic_arrow_drop_up_dark_blue.png"
     property int indicatorWidth: 24*pt
     property int indicatorHeight: indicatorWidth
 
+    property string colorTopNormalDropShadow:"#00000000"
+    property string colorDropShadow:"#40ABABAB"
 
     id: customComboBox
     width: popup.visible ? widthPopupComboBoxActive : widthPopupComboBoxNormal
-    height: parent.height
-
+    height: popup.visible ? heightComboBoxActive : heightComboBoxNormal
+    anchors.verticalCenter: parent.verticalCenter
 
     delegate:ItemDelegate {
         width: parent.width
+
+        ///Adjusting the height of the line, taking into account that the second element from the end may be the last.
         height:{
-            if(index == currentIndex) return 0
-            else return 42*pt
+            if(index != currentIndex)
+            {
+                if(index == customComboBox.count - 2)
+                {
+                    if(index+1 == currentIndex) return heightListElement + bottomIntervalListElement
+                    else return heightListElement + intervalListElement
+                }
+                if (index == customComboBox.count - 1) return heightListElement + bottomIntervalListElement
+                return heightListElement + intervalListElement
+            }
+            else return 0
         }
+        ///Text item
         contentItem: Text {
             id:textDelegateComboBox
             anchors.fill: parent
-            anchors.topMargin: 8 * pt
+            anchors.topMargin: paddingTopItemDelegate
             anchors.leftMargin: popup.visible ? sidePaddingActive : sidePaddingNormal
-            verticalAlignment: Qt.AlignTop
             font.family: fontRobotoRegular.name
-                font.pixelSize: fontSizeComboBox
-                text: {if(index != currentIndex) return modelData;}
-                color: hovered ? hilightColorText : normalColorText
+            font.pixelSize: fontSizeComboBox
+            text: {if(index != currentIndex) return modelData;}
+            color: hovered ? hilightColorText : normalColorText
         }
 
+
+        //Indent from the bottom edge or the next line that will not stand out when you hover over the mouse
         background: Rectangle {
             anchors.fill: parent
-            anchors.bottomMargin: 10 * pt
+            anchors.bottomMargin: {
+                if(index == customComboBox.count - 2)
+                {
+                    if(index+1 == currentIndex) return bottomIntervalListElement
+                    else return intervalListElement
+                }
+                if (index == customComboBox.count - 1) return bottomIntervalListElement
+                return intervalListElement
+            }
+
             color: hovered ? hilightColor : normalColor
-        }
+            //the list text
 
+        }
         highlighted: parent.highlightedIndex === index
-
     }
 
-
-    indicator: Image {    
+    //Icon icon near the text (arrow)
+    indicator: Image {
         source: parent.popup.visible ? indicatorImageActive : indicatorImageNormal
         width: indicatorWidth
         height: indicatorHeight
@@ -93,25 +142,26 @@ ComboBox {
         anchors.rightMargin: popup.visible ? sidePaddingActive : sidePaddingNormal
     }
 
+    ///Defining the background for the main line
     background: Rectangle {
         anchors.fill: parent
-        color: parent.popup.visible ? normalColor : "transparent"
+        color: parent.popup.visible ? hilightTopColor : normalTopColor
         radius: 2 * pt
         height: parent.height
 
     }
-
+    ///Main line text settings
     contentItem: Text {
         anchors.fill: parent
         anchors.leftMargin: popup.visible ? sidePaddingActive : sidePaddingNormal
-        anchors.topMargin: popup.visible ? topIndentActive : topIndentNormal
         text: parent.displayText
         font.family: fontRobotoRegular.name
         font.pixelSize: fontSizeComboBox
         color: popup.visible ? hilightColorTopText : normalColorTopText
-        verticalAlignment: Text.AlignTop
+        verticalAlignment: Text.AlignVCenter
     }
 
+    ///Customize drop-down list with shadow effect
     popup: Popup {
         y: parent.height - 1
         width: parent.width + 1
@@ -125,6 +175,7 @@ ComboBox {
 
         background: Rectangle {
             width: customComboBox.background.width
+            color: parent.color
             Rectangle {
                 id: contentCorner
                 anchors.fill: parent
@@ -135,16 +186,17 @@ ComboBox {
                 source: contentCorner
                 verticalOffset: 9 * pt
                 samples: 13 * pt
-                color: "#40000000"
+                color: colorDropShadow
             }
         }
     }
 
+    ///Shadow effect for the top element.
     DropShadow {
-        anchors.fill: parent
-        source: background
-        verticalOffset: 9 * pt
-        samples: 13 * pt
-        color: "#40000000"
+        anchors.fill: if(topEffect) parent
+        source: if(topEffect) background
+        verticalOffset: if(topEffect) 9 * pt
+        samples: if(topEffect) 13 * pt
+        color: if(topEffect) customComboBox.popup.visible ? colorDropShadow : colorTopNormalDropShadow
     }
 }