The negative top and left were crashing SlimerJS - there is an explicit check on the crop rect forbidding negative area crops.
The negative top and left were crashing SlimerJS - there is an explicit check on the crop rect forbidding negative area crops.

tpgmartin/PhantomCSS,Huddle/PhantomCSS,tpgmartin/PhantomCSS,istr/PhantomCSS,smrq/PhantomCSS,aeharding/PhantomCSS,tazminweb/PhantomCSS,aeharding/PhantomCSS,tazminweb/PhantomCSS,gdseller/PhantomCSS,gdseller/PhantomCSS,istr/PhantomCSS,Huddle/PhantomCSS,smrq/PhantomCSS