.square{
  width: 400px;
  height: 600px;
  float: left;
}
.title{
  font-size: 30px;
  margin: 20px auto;;
}
.game {
  width: 200px;
  height: 400px;
  background-color: #F2FAFF;
  border-left: 1px solid blue;
  border-right: 1px solid blue;
  border-bottom: 1px solid blue;
  border-top: 1px solid blue;
  position: relative;
  float: left;
}

.next{
  width: 80px;
  height: 80px;
  background-color: #F2FAFF;
  position: relative;
  float: left;
  margin-left: 50px;
}

.info{
  float: left;
  margin-left: 50px;
  margin-top: 10px;
}

.none, .current, .done{
  width: 20px;
  height: 20px;
  position: absolute;
  box-sizing: border-box;
}

.none{
  background-color: #F2FAFF;
}

.current{
  background-color: pink;
  border: 1px solid red;
}

.done{
  background-color: gray;
  border: 1px solid black;
}

.rotate-btn {
	display: inline-block;
	vertical-align: middle;
}

.up-triangle {
	border-width: 0 10px 25px 10px;
	border-color: transparent transparent #2196F3 transparent;
	border-style: solid;
	width: 0;
	height: 0;
	margin-left: 25px;
}

.left-triangle {
	border-width: 10px 25px 10px 0;
	border-color: transparent #2196F3 transparent transparent;
	border-style: solid;
	width: 0;
	height: 0;
}

.right-triangle {
	border-width: 10px 0 10px 25px;
	border-color: transparent transparent transparent #2196F3
	border-style: solid;
	width: 0;
	height: 0;
	margin-left: 45px;
	margin-top: -20px;
}

.down-triangle {
	border-width: 25px 10px 0 10px;
	border-color: #2196F3 transparent transparent transparent;
	border-style: solid;
	width: 0;
	height: 0;
	margin-left: 25px;
}