body, table {
  font-family:"Helvetica-Neue",Helvetica,Arial,sans-serif;
  font-size:14px;
  background-color:#222222;
  color:#ffffff;
}
#spielfeld {
  min-width:520px;
  min-height:520px;
}
div {
  width:640px;
}
.hinweis {
  color:#d3d3d3;
}
a:focus {
  outline: thin dotted;
}
a:active, a:hover {
  outline: 0;
}
a {
  color: #428bca;
  text-decoration: none;
}
a:hover, a:focus {
  color: #2a6496;
  text-decoration: underline;
}
a:focus {
  outline: thin dotted #333;
  outline: 5px auto -webkit-focus-ring-color;
  outline-offset: -2px;
}