<!DOCTYPE html> <html class="slr"> <head> <style> .slr { writing-mode: sideways-lr; } </style> </head> <body> <div dir="rtl" style="height:300px"> <div style="height:100px;width:120px;background:rgba(0,255,0,0.8);float:left;"></div> </div> <div style="height:200px"> <div style="height:100px;width:150px;background:rgba(255,0,0,0.8);float:left;"></div> </div> <div style="background:silver"> This text should appear ABOVE the green and red blocks. </div> </body> </html>