```import QtQuick 2.7
import QtQuick.Controls 1.5
import QtQuick.Layouts 1.3

FontLoader { id: font; source: "/fonts/font.otf" }

Rectangle {
    id: rectangle
    visible: true
    width: 600
    color: "#00000000"
    property alias rectangle: rectangle
    border.width: 0
    border.color: "#00000000"
    height: 600

    GridLayout {
        anchors.top: parent.top
        anchors.left: parent.left
        anchors.right: parent.right
        anchors.margins: 9

        columns: 4
        rows: 4
        rowSpacing: 10
        columnSpacing: 10
```