[clone] add a is-clone class to the body of the clones
[clone] add a is-clone class to the body of the clones

twitwi/deck.js,ProgRT/deck.js,alexjobs/deck.js-1,twitwi/deck.js,alexjobs/deck.js-1,alexjobs/deck.js-1,ProgRT/deck.js,twitwi/deck.js,ProgRT/deck.js