body {
  background: url("../images/bck.png");
  text-align: center;
  user-select: all;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
}

h1 {
  padding-top: 50px;
  padding-bottom: 50px;
  color: #333;
  font-size: 50px;
}

span {
  vertical-align: super;
  font-size: 30%;
}

#container {
  height: 100vh;
  display: flex;
  align-items: center;
}

#game {
  margin: auto;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background-color: #333;
  display: flex;
  align-items: center;
  z-index: 0;
}

#box1, #box2, #box3, #box4 {
  position: absolute;
  z-index: 1;
  width: 250px;
  height: 250px;
}

#box1 {
  border-right: 5px solid #333;
  border-bottom: 5px solid #333;
  border-top: 10px solid #333;
  border-left: 10px solid #333;
  border-top-left-radius : 100%;
  bottom: 50%;
  right: 50%;
  background-color: #40B240;
}

#box2 {
  border-right: 10px solid #333;
  border-bottom: 5px solid #333;
  border-top: 10px solid #333;
  border-left: 5px solid #333;
  border-top-right-radius : 100%;
  bottom: 50%;
  left: 50%;
  background-color: #E63340;
}

#box3 {
  border-right: 10px solid #333;
  border-bottom: 10px solid #333;
  border-top: 5px solid #333;
  border-left: 5px solid #333;
  border-bottom-right-radius : 100%;
  top: 50%;
  left: 50%;
  background-color: #FFF057;
}

#box4 {
  border-right: 5px solid #333;
  border-bottom: 10px solid #333;
  border-top: 5px solid #333;
  border-left: 10px solid #333;
  border-bottom-left-radius : 100%;
  top: 50%;
  right: 50%;
  background-color: #1775FF;
}

#display {
  margin: auto;
  width: 300px;
  height: 300px;
  border: 10px solid #333;
  border-radius: 50%;
  background: url("../images/displaybck.jpg");
  z-index: 2;
}

#panel {
  width: 75px;
  height: 40px;
  margin-right: 30px;
  border-radius: 10px;
  background: #333;
  color: crimson;
  font-size: 30px;
  display: inline-block;
}

#button {
  width: 25px;
  height: 25px;
  margin-left: 30px;
  border-radius: 50%;
  background: crimson;
  cursor: pointer;
  display: inline-block;
}

@media (max-width: 500px) {
  #game {
    width: 350px;
    height: 350px;
  }

  #display {
    width: 200px;
    height: 200px;
    border-width: 7px;
  }

  #panel {
    width: 50px;
    height: 30px;
    margin-right: 20px;
    border-radius: 7px;
    font-size: 22px;
  }

  #button {
    width: 15px;
    height: 15px;
    margin-left: 20px;
  }

  h1 {
    padding-top: 20px;
    padding-bottom: 30px;
    font-size: 40px;
  }

  #box1, #box2, #box3, #box4 {
    width: 175px;
    height: 175px;
    border-width: 7px;
  }
}

@media (max-width: 350px) {
  #game {
    width: 300px;
    height: 300px;
  }

  #display {
    width: 175px;
    height: 175px;
    border-width: 5px;
  }

  h1 {
    padding-top: 20px;
    padding-bottom: 20px;
    font-size: 30px;
  }

  #box1, #box2, #box3, #box4 {
    width: 150px;
    height: 150px;
    border-width: 5px;
  }
}