body {
  margin: 0;
}

.container {
  font-family: "Courier New", sans-serif;
  font-weight: 300;
  width: 100%;
  height: 100%;
}


.actionPane {
  vertical-align: top;
  display: inline-block;
  margin-top: 10px;
  width: 155px;
}

.grid {
  width: 660px;
  margin: 10px;
  display: inline-block;
}

.image {
  width: 640px;
  margin: 10px;
}

.piece {
  position: absolute;
  border: 1px solid black;
}

button {
  margin-top: 5px;
  width: 100%;
  display: block;
  color: rgba(0, 0, 0, 0.5);
  border: 1px solid #C1C1C1;
  background: rgba(158,158,158,.1);
  border-radius: 3px;
  padding: 5px;
  text-transform: uppercase;
  font-weight: 600;
  transition: background 0.3s linear;
  cursor: pointer;
  outline: none;
}