#fti { float: left; width: 100%; }
#fti ul { float: left; margin: 0 5px 0 0; padding: 0 0 0 40px; width: 320px; }

#article .backtop, #member .backbot { font-size: 10px; }
#article .backtop { line-height: 1.2em; position: absolute; right: 10px; text-align: center; top: 5px; }
#article .backbot { margin-top: 10px; }