Make sap.m.CustomTile resizable for resolution e.g. from 500px to 320px?

I customized the sap.m.CustomTile with some sap.m.FormattedText. I need this CustomTile to be resizable according to...

How can I insert a lightning bolt symbol for Google's AMP page format??

If you visit the Accelerated Mobile Pages HTML specification, you will see that the <html> tag has a lightning...