public AddBookmark(string title, string url, MainWindow mw)
{
InitializeComponent();
TitleBox.Text = title;
_url = url;
DoneButton.Text("DONE");
CloseButton.ImageSource("close_button.png");
CloseButton.SetRippleMargin(1);
CloseButton.SetImageScale(16);
DoneButton.ChangeTextColor("#FF1ABC9C");
mainWindow = mw;
}