Rename class name in placeholder
Rename class name in placeholder

Based on BS3 2535e060a48393143e7a6c2eb93a0a5d06663801

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