cssprefixer: Make it run in merge mode.
cssprefixer: Make it run in merge mode.

Unless you already use a working browser prefix in the source files (which
cssprefixer can deal with as well), you'll want this.

scorphus/webassets,florianjacob/webassets,wijerasa/webassets,heynemann/webassets,aconrad/webassets,0x1997/webassets,aconrad/webassets,heynemann/webassets,scorphus/webassets,glorpen/webassets,0x1997/webassets,aconrad/webassets,heynemann/webassets,john2x/webassets,JDeuce/webassets,glorpen/webassets,john2x/webassets,florianjacob/webassets,JDeuce/webassets,wijerasa/webassets,glorpen/webassets