When you go to the page http://m.google.com using Mobile Safari, you will see the beautiful bar on the top of the page.
I wanna draw some trapeziums (US: trapezoids) like that, but I don’t know how. Should I use css3 3d transform? If you have a good method to achieve it please tell me.
You can use some CSS like this:
It is really cool to make all this shapes, Take a look to more nice shapes at:
http://css-tricks.com/examples/ShapesOfCSS/
EDIT:
This css is applied to a DIV element