--- /dev/null
+.PHONY: all
+
+SOURCES = theme.css favicon.ico logo.svg
+TARGETS = $(SOURCES:=.gz) $(SOURCES:=.br)
+
+all: $(TARGETS)
+
+%.br: %
+ brotli --verbose --no-copy-stat --keep --force "$<"
+
+%.gz: %
+ cp "$<" "$<".tmp
+ gzip "$<".tmp
+ mv "$<".tmp.gz "$@"