use transforms to make the dialog smooooth
use transforms to make the dialog smooooth

BS3 commit 2cf1851d9f9ea73a9c2e446db88f5c2179ea2f40

2947721120/todc-bootstrap,2947721120/googlebt4,todc/todc-bootstrap,aaroncnhk/todc-bootstrap,mozillo/todc-bootstrap,todc/todc-bootstrap,up2vs/todc-bootstrap,todc/todc-bootstrap,ztx1491/todc-bootstrap