* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: #111111;
  color: #fcfcfc;
  font-size: 12px;
}

.cube,
.result,
.reset-button {
  text-align: center;
  margin: 0 auto;
  padding: 10px;
}
img.cube-image {
  width: 100px;
  border: solid 5px #333333;
}
img.cube-image2 {
  width: 100px;
  border: solid 5px #999999;
}
.btn,
.btn2 {
  font-weight: bold;
  color: #fcfcfc;
  background: #c3352b;
  border: solid 5px #333333;
  padding: 10px;
  margin: 20px;
}
a.btn2 {
  color: #fcfcfc;
}
.btn3,
.btn4 {
  border: solid 5px #999999;
}
.result p {
  font-size: 16px;
  padding: 5px;
}