Style naming
one: using hexadecimal color value, wherein the letters capitalization, and try Abbreviation
two: g-zzz may be used to play the content portion is defined .g-zzz .m-xxx {} but progeny selected category selector should no longer include the category selector
For outermost coat wrap ------------------
head header ---------------- head for
the main content a body main ------------ content (middle),
the left main-left ------------- layout left
right main-right ---- ------- right side of the layout of the
navigation bar nav ----------------- website menu navigation bar
content content -------------- - for mid-page main
bottom footer ----------------- for bottom
