add top margin to
simplify markup
add G.F.
add help to G.F.
add way to display previous font to G.F.
register `click` event at once
cancel `click` event on anchor
show only before/self/after elements
add transparent selection style
use `em` unit
fancy footer
randomize colors
remove magic number
revert to use Query YQL
make footer surrounding clickable
use own filename
optimize CSS
optimize JS/color
handle fetch error
optimize CSS