Taken from MCSS
a - link <a> tag
ac - action
add - additional
aft - after
aux - auxillary
b - body | bottom bg - background brd - border btn - button
cat - catalog | category cl - clear cnt - content | container cnts - contents col - column
dec - decorate def - default del - delete descr - description dm - delim dyn - dynamic
e - error el - element ext - external
f - footer fr - friend ft - font
gen - general
h - header hl - highlight hv - hover hld - holder
i - item ic - icon img - image ir - input radio is - input submit it - input text itx - textarea
l - left | label lbl - label lk - link lr - layer lst - list
mod - module | modifier
n - name ntf - notification num - number
opt - options ovr - overlay
ph - placeholder pht - photo priv - privacy
r - right rfr - refresh
scr - screen | scroll sel - select sett - settings sm - small spr - sprite
t - title | t tx - text
w - wrapper