Kylin/Fluent/qml/Shadow.qml

import QtQuick as Quick
import Fluent

Quick.Item {
    property Quick.color color: Theme.dark ? "#000000" : "#999999"
    property int elevation: 5
    property int radius: 4
    id:control
    anchors.fill: parent
    Quick.Repeater{
        model: elevation
        Quick.Rectangle{
            anchors.fill: parent
            color: "#00000000"
            opacity: 0.01 * (elevation-index+1)
            anchors.margins: -index
            radius: control.radius+index
            border.width: index
            border.color: control.color
        }
    }
}