tyle type="text/css">* { margin: 0; padding: 0 }
   table { border-spacing: 0; font-size: 50px; border: solid; background: red; }
   td { padding: 0; width: 1em; }

   div { background: lime; }

   .a .container { height: 2.1em; }
   .a .sized { height: 1.0em; margin: 0 0 1em 0; }
   .a .after { height: 0.9em; }

   .b .container { height: 2.0em; }
   .b .sized { height: 1.0em; margin: 0 0 1em 0; }
   .b .after { height: 1.0em; }

   .c .container { height: 1.9em; }
   .c .sized { height: 1.0em; margin: 0 0