body {
  /* serif, sans-serif, monospace, fantasy */
  font-family: monospace;
  background-color: #FFBBFF;
}
div.pixel {
  position: fixed;
  background-color: #00AADD;
  height: 1em; width: 1em;
}

div.knight {
  position: fixed;
  background-color: rgb(128,0,0);
  height: 1em; width: 1em;
}

.container {
  position: fixed;
  bottom: 0; left: 0;
  width: 100%;
  height: 300pt;
}

button {
  position: absolute;
  background-color: #888888;
}

.button-rechts   { top: 200pt; left: 150pt; }
.button-links    { top: 200pt; left:  50pt; }
.button-hoch     { top: 150pt; left: 100pt; }
.button-runter   { top: 250pt; left: 100pt; }
.button-schmaler { top: 250pt; right: 100pt; }
.button-breiter  { top: 250pt; right:  40pt; }