Tezontle

A dark volcanic-red 16:9 Mexican chemistry lesson: bone-cream serif headings, big jacaranda, marigold and agave fields for openers, questions and section breaks with giant chapter numerals, colour linocut scenes on dark grounds, inked figures in ruled boxes with numbered captions, jacaranda keylined formula boxes with variable legends, green exam-tip and red common-mistake strips, MCQs with a revealed answer, mark tags and past-paper questions for preparatoria and university-entrance revision.