body {
  font-family: arial;
  font-size: 16px;
}

.resultCell {
  font-size: 20px;
  padding: 0px 10px;
  width: 30px;
  height: 30px;
  background-color: #eeeeee;
}

.kocka {
  border-style:solid;
  border-color: #0000ff;
  border-width: 2px;
  position: relative;
}

.number {
  width: 40px;
  text-align: center;
  position: absolute;
  bottom: 0px;
}

.kockaInner {
  width: 40px;
  height: 30px;
  background-color: #0000ff;
  position: relative;
}

.whiteLine {
  border-color: white;
  border-style: solid none none none;
  border-width: 1px;
  height: 0px;
  position: absolute;
  right: 2px;
  left: 2px;
}

h2 {
 cursor: pointer;
}