body {

  background-color: #262626;
  margin: 0;
}

#level-title {
  text-align: center;
  font-family: 'Press Start 2P', cursive;
  font-size: 3rem;
  margin:  4%;
  color: #fafafa;
}

.container {
  text-align: center;
  display: block;
  width: 50%;
  margin: auto;

}

.btn {
  margin: 25px;
  display: inline-block;
  height: 200px;
  width: 200px;
  border: 10px solid;
  border-radius: 20%;
}

.game-over {
  background-color: red;
  opacity: 0.8;
}

.pink {
  background: url(img/GrumpyCat.png);
  background-position: center center;
  background-size: cover;
  border-color: #a40d84;
}

.blue {
  background: url(img/SweetCat.png);
  background-position: center center;
  background-size: cover;
  border-color: #047ad2;
}

.cyan {
  background: url(img/CuteCat.png);
  background-position: center center;
  background-size: cover;
  border-color: #24afd2;
}

.rose {
  background: url(img/Kitten.png);
  background-position: center center;
  background-size: cover;
  border-color: #d264c2;
}

.pressed {
  opacity: 30%;
  box-shadow: 5px 5px 10px white;
  background-color: grey;
}

footer {
  text-align: center;
  padding: 10px 15px;
}

@media only screen and (max-device-width: 912px) and (orientation:portrait) {


  #level-title {
    margin: 20%;
    font-size: 2rem;
    line-height: 4rem;
  }
    .container {
      display: block;
      width: 80%;
      margin: 20% auto 0 auto;
      height: 50vh;

    }

    .btn {
      margin: 30px;
      margin: 10px;
      display: inline-block;
      height: 180px;
      width: 180px;
    }

    footer img {
      height: 100px;
      width: 100px;
    }

    footer {
      padding: 30px 15px;
    }

}

@media only screen and (min-device-width: 1024px) and (min-device-height: 1366px) and (orientation: portrait) and (-webkit-min-device-pixel-ratio: 2) {


  #level-title {
    margin: 20%;
    font-size: 2rem;
    line-height: 4rem;
  }
    .container {
      display: block;
      width: 80%;
      margin: 20% auto 0 auto;
      height: 50vh;

    }

    .btn {
      margin: 30px;
      margin: 10px;
      display: inline-block;
      height: 180px;
      width: 180px;
    }

    footer img {
      height: 100px;
      width: 100px;
    }


}

@media only screen and (max-device-width: 820px) and (orientation:portrait) {


  #level-title {
    margin: 20%;
    font-size: 2rem;
    line-height: 4rem;
  }
    .container {
      display: block;
      width: 80%;
      margin: 20% auto 0 auto;
      height: 50vh;

    }

    .btn {
      margin: 30px;
      margin: 10px;
      display: inline-block;
      height: 180px;
      width: 180px;
    }

    footer img {
      height: 100px;
      width: 100px;
    }


}


@media screen and (max-device-width: 564px) {


#level-title {
  margin: 20%;
  font-size: 1rem;
  line-height: 2rem;
}
  .container {
    display: block;
    width: 80%;
    margin: 30% auto 0 auto;
    height: 50vh;

  }

  .btn {
    margin: 25px;
    margin: 10px;
    display: inline-block;
    height: 100px;
    width: 100px;
  }

  footer img {
    height: 100px;
    width: 100px;
  }

}

@media screen and (max-device-width: 360px) {

  .container {
    margin: 20% auto 0 auto;
  }

}

@media screen and (max-device-width: 280px) {

  .btn {
    margin: 10px;
    display: inline-block;
    height: 70px;
    width: 70px;
  }

}