body{
  background-color: #FFEACA;
}

.puzzle{
  width: 500px;
  margin: 10px auto;
  text-align: center;
}

.heading{
  width: 500px;
  margin: 10px auto;
  text-align: center;
}

.hide{
  display: none;
}

.container{
  display: grid;
  width: 500px;
  grid-template-columns: repeat(5,100px);
  margin : 10px auto 0px;
}

.footer{
  width: 500px;
  margin: 0px auto;
  height: 70px;
}

.box{
  height: 100px;
  background-color: #9B72AA;
  border: 1px solid black;

}

.num{
  display: inline-block;
  margin: 30px;
}

.empty-box{
  background-color: white;
}

.btn{
  background-color: yellow;
  height: 50px;
  width: 100px;
  margin: 20px 0px;
  font-size: 2rem;
}