social-buttons.html: drop 'px' from height+width attrs per HTML5
social-buttons.html: drop 'px' from height+width attrs per HTML5

BS3 commit e6e60d325ca69010f1334283140dfd2a2ee3cc74

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