applet, basefont, center, dir, font, isindex, menu, s, strike, u { outline: 1px solid #f00 !important; }

applet:before { content: "<applet>" !important; }
basefont:before { content: "<basefont>" !important; }
center:before { content: "<center>" !important; }
dir:before { content: "<dir>" !important; }
font:before { content: "<font>" !important; }
isindex:before { content: "<isindex>" !important; }
menu:before { content: "<menu>" !important; }
s:before { content: "<s>" !important; }
strike:before { content: "<strike>" !important; }
u:before { content: "<u>" !important; }
