Which of these options does the author consider the real Holy Grail? > Once flexbox achieved mainstream browser support, this layout went from "holy grail" to

Which of these options does the author consider the real Holy Grail? > Once flexbox achieved mainstream browser support, this layout went from "holy grail" to "fountain drink"; it was everywhere, because it offered a great user experience, and was within reach for all developers. > As the web has evolved, I've discovered a new aspirational layout.