body      {background-color:#000; color:#fff}

.link     {color:#8ee; font-size:x-large}

.ret      {color:#afa}

.fs-1     {font-size:small}

.fs2      {font-size:large}

.fs3      {font-size:x-large}

.fs4      {font-size:xx-large}

.cen      {text-align:center}

input.clap {color:#fff;background-color:#000;border:1px solid #fff;}