body {
    margin: 0px;
    padding: 0px;
    background-color: #2E2F2F;
    background-image: url("obrazky/background.png");
    font-family: 'Baloo 2', cursive;
    letter-spacing: 7px;
    color: white;
    text-shadow: 0px 0px 8px black;
  }
  section {
    border: solid 1px #393939;
    margin: 0 auto 1rem auto;
    padding: 1rem;
    box-shadow: 0 11px 14px -12px rgba(20, 20, 40, 0.5);
    max-width: 40rem;
    text-align: center;
    background-color: #1d1d1d;
  }
  
  section button {
    font-size: 1.4rem;
    cursor: pointer;
    background-color: #303030;
    padding: 0.5rem 1.3rem;
    border: 1px;
    color: #AAA;
    transition: color 0.25s, box-shadow 0.25s, background-color 0.25s;
    outline: none;
    font-family: 'Space Mono', monospace;
    vertical-align: middle;
  }
  
  section button:hover,
  section button:focus {
    color: #DDD;
    background-color: #404040;
    box-shadow: 0 11px 14px -12px rgba(20, 20, 40, 0.75);
  }
  
  section input[type="text"],
  section input[type="number"] {
    min-width: 2rem;
    font-size: 1rem;
    background-color: #383838;
    color: #AAA;
    border: solid 1px #353535;
    outline: none;
    padding: 0.2rem;
    display: inline-block;
    transition: background 0.25s, border 0.25s, box-shadow 0.25s, color 0.25s;
  }
  
  section input[type="text"]:focus,
  section input[type="number"]:focus,
  section input[type="text"]:hover,
  section input[type="number"]:hover {
    color: #DDD;
    background-color: #404040;
    border: solid 1px #595959;
    box-shadow: 0 11px 14px -12px rgba(20, 20, 40, 0.75);
  }
  
  .back-state-button {
      margin-right: 1rem;
      font-size: 1.2rem;
      font-family: "Arial Black";
      font-weight: bold;
  }
  
  .forward-state-button {
      margin-left: 1rem;
      font-size: 1.2rem;
      font-family: "Arial Black";
      font-weight: bold;
  }
  
  .new-sequence-label {
    display: block;
    margin: 1rem auto;
    text-align: center;
  }
  
  .new-sequence-label small {
    font-size: 0.7rem;
  }
  
  .new-sequence-label span:first-child {
    display: inline-block;
    text-align: right;
  }
  
  .state-label {
    display: block;
    margin-bottom: 1rem;
    text-align: left;
  }
  
  .state-label span:first-child {
    display: inline-block;
    min-width: 6rem;
    text-align: right;
  }
  
  .state-index {
    margin: 0 0 1rem 0;
    padding-bottom: 1rem;
    border-bottom: solid 1px #393939;
    box-shadow: 0 1px 0 #272727;
  }
  
  section h1 {
    text-align: center;
    margin: 0 0 1rem 0;
    padding-bottom: 1rem;
    border-bottom: solid 1px #393939;
    box-shadow: 0 1px 0 #272727;
  }
  
  .puzzle-completed {
    visibility: hidden;
    text-align: center;
  }
  
  .puzzle-completed.is-complete {
    visibility: visible;
  }
  
  .puzzle {
    box-sizing: content-box;
    margin: 0 auto;
    box-shadow: 0 11px 14px -12px rgba(20, 20, 40, 0.5);
    border: solid 1px #696969;
    position: relative;
    margin-bottom: 2rem;
    background-color: rgb(204, 204, 204);
  }
  
  .puzzle-piece {
    height: 98px;
    width: 98px;
    cursor: pointer;
    border: solid 1px #494949;
    position: absolute;
    transition: top 1s, left 1s, border-color 0.5s;
    background-repeat: no-repeat;
    background-image: url("obrazky/skladani.jpg");
  }
  
  .puzzle-piece:hover {
    border-color: #AAA;
  }
  
  .puzzle-3 {
    width: 300px;
    height: 300px;
  }
  
  .puzzle-3 .puzzle-piece {
    background-size: auto 300px;
  }
  
  .puzzle-3 .position-1 {
    left: 0px;
    top: 0px;
  }
  
  .puzzle-3 #puzzlePiece1 {
    background-position: 0px 0px;
  }
  
  .puzzle-3 .position-2 {
    left: 100px;
    top: 0px;
  }
  
  .puzzle-3 #puzzlePiece2 {
    background-position: -100px 0px;
  }
  
  .puzzle-3 .position-3 {
    left: 200px;
    top: 0px;
  }
  
  .puzzle-3 #puzzlePiece3 {
    background-position: -200px 0px;
  }
  
  .puzzle-3 .position-4 {
    left: 0px;
    top: 100px;
  }
  
  .puzzle-3 #puzzlePiece4 {
    background-position: 0px -100px;
  }
  
  .puzzle-3 .position-5 {
    left: 100px;
    top: 100px;
  }
  
  .puzzle-3 #puzzlePiece5 {
    background-position: -100px -100px;
  }
  
  .puzzle-3 .position-6 {
    left: 200px;
    top: 100px;
  }
  
  .puzzle-3 #puzzlePiece6 {
    background-position: -200px -100px;
  }
  
  .puzzle-3 .position-7 {
    left: 0px;
    top: 200px;
  }
  
  .puzzle-3 #puzzlePiece7 {
    background-position: 0px -200px;
  }
  
  .puzzle-3 .position-8 {
    left: 100px;
    top: 200px;
  }
  
  .puzzle-3 #puzzlePiece8 {
    background-position: -100px -200px;
  }
  
  .puzzle-3 .position-9 {
    left: 200px;
    top: 200px;
  }
  
  .puzzle-3 #puzzlePiece9 {
    background-position: -200px -200px;
  }
  
  .puzzle-4 {
    width: 400px;
    height: 400px;
  }
  
  .puzzle-4 .puzzle-piece {
    background-size: auto 400px;
  }
  
  .puzzle-4 .position-1 {
    left: 0px;
    top: 0px;
  }
  
  .puzzle-4 #puzzlePiece1 {
    background-position: 0px 0px;
  }
  
  .puzzle-4 .position-2 {
    left: 100px;
    top: 0px;
  }
  
  .puzzle-4 #puzzlePiece2 {
    background-position: -100px 0px;
  }
  
  .puzzle-4 .position-3 {
    left: 200px;
    top: 0px;
  }
  
  .puzzle-4 #puzzlePiece3 {
    background-position: -200px 0px;
  }
  
  .puzzle-4 .position-4 {
    left: 300px;
    top: 0px;
  }
  
  .puzzle-4 #puzzlePiece4 {
    background-position: -300px 0px;
  }
  
  .puzzle-4 .position-5 {
    left: 0px;
    top: 100px;
  }
  
  .puzzle-4 #puzzlePiece5 {
    background-position: 0px -100px;
  }
  
  .puzzle-4 .position-6 {
    left: 100px;
    top: 100px;
  }
  
  .puzzle-4 #puzzlePiece6 {
    background-position: -100px -100px;
  }
  
  .puzzle-4 .position-7 {
    left: 200px;
    top: 100px;
  }
  
  .puzzle-4 #puzzlePiece7 {
    background-position: -200px -100px;
  }
  
  .puzzle-4 .position-8 {
    left: 300px;
    top: 100px;
  }
  
  .puzzle-4 #puzzlePiece8 {
    background-position: -300px -100px;
  }
  
  .puzzle-4 .position-9 {
    left: 0px;
    top: 200px;
  }
  
  .puzzle-4 #puzzlePiece9 {
    background-position: 0px -200px;
  }
  
  .puzzle-4 .position-10 {
    left: 100px;
    top: 200px;
  }
  
  .puzzle-4 #puzzlePiece10 {
    background-position: -100px -200px;
  }
  
  .puzzle-4 .position-11 {
    left: 200px;
    top: 200px;
  }
  
  .puzzle-4 #puzzlePiece11 {
    background-position: -200px -200px;
  }
  
  .puzzle-4 .position-12 {
    left: 300px;
    top: 200px;
  }
  
  .puzzle-4 #puzzlePiece12 {
    background-position: -300px -200px;
  }
  
  .puzzle-4 .position-13 {
    left: 0px;
    top: 300px;
  }
  
  .puzzle-4 #puzzlePiece13 {
    background-position: 0px -300px;
  }
  
  .puzzle-4 .position-14 {
    left: 100px;
    top: 300px;
  }
  
  .puzzle-4 #puzzlePiece14 {
    background-position: -100px -300px;
  }
  
  .puzzle-4 .position-15 {
    left: 200px;
    top: 300px;
  }
  
  .puzzle-4 #puzzlePiece15 {
    background-position: -200px -300px;
  }
  
  .puzzle-4 .position-16 {
    left: 300px;
    top: 300px;
  }
  
  .puzzle-4 #puzzlePiece16 {
    background-position: -300px -300px;
  }
  
  .puzzle-5 {
    width: 500px;
    height: 500px;
  }
  
  .puzzle-5 .puzzle-piece {
    background-size: auto 500px;
  }
  
  .puzzle-5 .position-1 {
    left: 0px;
    top: 0px;
  }
  
  .puzzle-5 #puzzlePiece1 {
    background-position: 0px 0px;
  }
  
  .puzzle-5 .position-2 {
    left: 100px;
    top: 0px;
  }
  
  .puzzle-5 #puzzlePiece2 {
    background-position: -100px 0px;
  }
  
  .puzzle-5 .position-3 {
    left: 200px;
    top: 0px;
  }
  
  .puzzle-5 #puzzlePiece3 {
    background-position: -200px 0px;
  }
  
  .puzzle-5 .position-4 {
    left: 300px;
    top: 0px;
  }
  
  .puzzle-5 #puzzlePiece4 {
    background-position: -300px 0px;
  }
  
  .puzzle-5 .position-5 {
    left: 400px;
    top: 0px;
  }
  
  .puzzle-5 #puzzlePiece5 {
    background-position: -400px 0px;
  }
  
  .puzzle-5 .position-6 {
    left: 0px;
    top: 100px;
  }
  
  .puzzle-5 #puzzlePiece6 {
    background-position: 0px -100px;
  }
  
  .puzzle-5 .position-7 {
    left: 100px;
    top: 100px;
  }
  
  .puzzle-5 #puzzlePiece7 {
    background-position: -100px -100px;
  }
  
  .puzzle-5 .position-8 {
    left: 200px;
    top: 100px;
  }
  
  .puzzle-5 #puzzlePiece8 {
    background-position: -200px -100px;
  }
  
  .puzzle-5 .position-9 {
    left: 300px;
    top: 100px;
  }
  
  .puzzle-5 #puzzlePiece9 {
    background-position: -300px -100px;
  }
  
  .puzzle-5 .position-10 {
    left: 400px;
    top: 100px;
  }
  
  .puzzle-5 #puzzlePiece10 {
    background-position: -400px -100px;
  }
  
  .puzzle-5 .position-11 {
    left: 0px;
    top: 200px;
  }
  
  .puzzle-5 #puzzlePiece11 {
    background-position: 0px -200px;
  }
  
  .puzzle-5 .position-12 {
    left: 100px;
    top: 200px;
  }
  
  .puzzle-5 #puzzlePiece12 {
    background-position: -100px -200px;
  }
  
  .puzzle-5 .position-13 {
    left: 200px;
    top: 200px;
  }
  
  .puzzle-5 #puzzlePiece13 {
    background-position: -200px -200px;
  }
  
  .puzzle-5 .position-14 {
    left: 300px;
    top: 200px;
  }
  
  .puzzle-5 #puzzlePiece14 {
    background-position: -300px -200px;
  }
  
  .puzzle-5 .position-15 {
    left: 400px;
    top: 200px;
  }
  
  .puzzle-5 #puzzlePiece15 {
    background-position: -400px -200px;
  }
  
  .puzzle-5 .position-16 {
    left: 0px;
    top: 300px;
  }
  
  .puzzle-5 #puzzlePiece16 {
    background-position: 0px -300px;
  }
  
  .puzzle-5 .position-17 {
    left: 100px;
    top: 300px;
  }
  
  .puzzle-5 #puzzlePiece17 {
    background-position: -100px -300px;
  }
  
  .puzzle-5 .position-18 {
    left: 200px;
    top: 300px;
  }
  
  .puzzle-5 #puzzlePiece18 {
    background-position: -200px -300px;
  }
  
  .puzzle-5 .position-19 {
    left: 300px;
    top: 300px;
  }
  
  .puzzle-5 #puzzlePiece19 {
    background-position: -300px -300px;
  }
  
  .puzzle-5 .position-20 {
    left: 400px;
    top: 300px;
  }
  
  .puzzle-5 #puzzlePiece20 {
    background-position: -400px -300px;
  }
  
  .puzzle-5 .position-21 {
    left: 0px;
    top: 400px;
  }
  
  .puzzle-5 #puzzlePiece21 {
    background-position: 0px -400px;
  }
  
  .puzzle-5 .position-22 {
    left: 100px;
    top: 400px;
  }
  
  .puzzle-5 #puzzlePiece22 {
    background-position: -100px -400px;
  }
  
  .puzzle-5 .position-23 {
    left: 200px;
    top: 400px;
  }
  
  .puzzle-5 #puzzlePiece23 {
    background-position: -200px -400px;
  }
  
  .puzzle-5 .position-24 {
    left: 300px;
    top: 400px;
  }
  
  .puzzle-5 #puzzlePiece24 {
    background-position: -300px -400px;
  }
  
  .puzzle-5 .position-25 {
    left: 400px;
    top: 400px;
  }
  
  .puzzle-5 #puzzlePiece25 {
    background-position: -400px -400px;
  }
  
  .puzzle-6 {
    width: 600px;
    height: 600px;
  }
  
  .puzzle-6 .puzzle-piece {
    background-size: auto 600px;
  }
  
  .puzzle-6 .position-1 {
    left: 0px;
    top: 0px;
  }
  
  .puzzle-6 #puzzlePiece1 {
    background-position: 0px 0px;
  }
  
  .puzzle-6 .position-2 {
    left: 100px;
    top: 0px;
  }
  
  .puzzle-6 #puzzlePiece2 {
    background-position: -100px 0px;
  }
  
  .puzzle-6 .position-3 {
    left: 200px;
    top: 0px;
  }
  
  .puzzle-6 #puzzlePiece3 {
    background-position: -200px 0px;
  }
  
  .puzzle-6 .position-4 {
    left: 300px;
    top: 0px;
  }
  
  .puzzle-6 #puzzlePiece4 {
    background-position: -300px 0px;
  }
  
  .puzzle-6 .position-5 {
    left: 400px;
    top: 0px;
  }
  
  .puzzle-6 #puzzlePiece5 {
    background-position: -400px 0px;
  }
  
  .puzzle-6 .position-6 {
    left: 500px;
    top: 0px;
  }
  
  .puzzle-6 #puzzlePiece6 {
    background-position: -500px 0px;
  }
  
  .puzzle-6 .position-7 {
    left: 0px;
    top: 100px;
  }
  
  .puzzle-6 #puzzlePiece7 {
    background-position: 0px -100px;
  }
  
  .puzzle-6 .position-8 {
    left: 100px;
    top: 100px;
  }
  
  .puzzle-6 #puzzlePiece8 {
    background-position: -100px -100px;
  }
  
  .puzzle-6 .position-9 {
    left: 200px;
    top: 100px;
  }
  
  .puzzle-6 #puzzlePiece9 {
    background-position: -200px -100px;
  }
  
  .puzzle-6 .position-10 {
    left: 300px;
    top: 100px;
  }
  
  .puzzle-6 #puzzlePiece10 {
    background-position: -300px -100px;
  }
  
  .puzzle-6 .position-11 {
    left: 400px;
    top: 100px;
  }
  
  .puzzle-6 #puzzlePiece11 {
    background-position: -400px -100px;
  }
  
  .puzzle-6 .position-12 {
    left: 500px;
    top: 100px;
  }
  
  .puzzle-6 #puzzlePiece12 {
    background-position: -500px -100px;
  }
  
  .puzzle-6 .position-13 {
    left: 0px;
    top: 200px;
  }
  
  .puzzle-6 #puzzlePiece13 {
    background-position: 0px -200px;
  }
  
  .puzzle-6 .position-14 {
    left: 100px;
    top: 200px;
  }
  
  .puzzle-6 #puzzlePiece14 {
    background-position: -100px -200px;
  }
  
  .puzzle-6 .position-15 {
    left: 200px;
    top: 200px;
  }
  
  .puzzle-6 #puzzlePiece15 {
    background-position: -200px -200px;
  }
  
  .puzzle-6 .position-16 {
    left: 300px;
    top: 200px;
  }
  
  .puzzle-6 #puzzlePiece16 {
    background-position: -300px -200px;
  }
  
  .puzzle-6 .position-17 {
    left: 400px;
    top: 200px;
  }
  
  .puzzle-6 #puzzlePiece17 {
    background-position: -400px -200px;
  }
  
  .puzzle-6 .position-18 {
    left: 500px;
    top: 200px;
  }
  
  .puzzle-6 #puzzlePiece18 {
    background-position: -500px -200px;
  }
  
  .puzzle-6 .position-19 {
    left: 0px;
    top: 300px;
  }
  
  .puzzle-6 #puzzlePiece19 {
    background-position: 0px -300px;
  }
  
  .puzzle-6 .position-20 {
    left: 100px;
    top: 300px;
  }
  
  .puzzle-6 #puzzlePiece20 {
    background-position: -100px -300px;
  }
  
  .puzzle-6 .position-21 {
    left: 200px;
    top: 300px;
  }
  
  .puzzle-6 #puzzlePiece21 {
    background-position: -200px -300px;
  }
  
  .puzzle-6 .position-22 {
    left: 300px;
    top: 300px;
  }
  
  .puzzle-6 #puzzlePiece22 {
    background-position: -300px -300px;
  }
  
  .puzzle-6 .position-23 {
    left: 400px;
    top: 300px;
  }
  
  .puzzle-6 #puzzlePiece23 {
    background-position: -400px -300px;
  }
  
  .puzzle-6 .position-24 {
    left: 500px;
    top: 300px;
  }
  
  .puzzle-6 #puzzlePiece24 {
    background-position: -500px -300px;
  }
  
  .puzzle-6 .position-25 {
    left: 0px;
    top: 400px;
  }
  
  .puzzle-6 #puzzlePiece25 {
    background-position: 0px -400px;
  }
  
  .puzzle-6 .position-26 {
    left: 100px;
    top: 400px;
  }
  
  .puzzle-6 #puzzlePiece26 {
    background-position: -100px -400px;
  }
  
  .puzzle-6 .position-27 {
    left: 200px;
    top: 400px;
  }
  
  .puzzle-6 #puzzlePiece27 {
    background-position: -200px -400px;
  }
  
  .puzzle-6 .position-28 {
    left: 300px;
    top: 400px;
  }
  
  .puzzle-6 #puzzlePiece28 {
    background-position: -300px -400px;
  }
  
  .puzzle-6 .position-29 {
    left: 400px;
    top: 400px;
  }
  
  .puzzle-6 #puzzlePiece29 {
    background-position: -400px -400px;
  }
  
  .puzzle-6 .position-30 {
    left: 500px;
    top: 400px;
  }
  
  .puzzle-6 #puzzlePiece30 {
    background-position: -500px -400px;
  }
  
  .puzzle-6 .position-31 {
    left: 0px;
    top: 500px;
  }
  
  .puzzle-6 #puzzlePiece31 {
    background-position: 0px -500px;
  }
  
  .puzzle-6 .position-32 {
    left: 100px;
    top: 500px;
  }
  
  .puzzle-6 #puzzlePiece32 {
    background-position: -100px -500px;
  }
  
  .puzzle-6 .position-33 {
    left: 200px;
    top: 500px;
  }
  
  .puzzle-6 #puzzlePiece33 {
    background-position: -200px -500px;
  }
  
  .puzzle-6 .position-34 {
    left: 300px;
    top: 500px;
  }
  
  .puzzle-6 #puzzlePiece34 {
    background-position: -300px -500px;
  }
  
  .puzzle-6 .position-35 {
    left: 400px;
    top: 500px;
  }
  
  .puzzle-6 #puzzlePiece35 {
    background-position: -400px -500px;
  }
  
  .puzzle-6 .position-36 {
    left: 500px;
    top: 500px;
  }
  
  .puzzle-6 #puzzlePiece36 {
    background-position: -500px -500px;
  }

  @media only screen and (max-width: 700px) {
    .first .content {
        width: 95%;
    }
    .second .content {
        width: 95%;
    }
    section{
        width: 100%;
        padding: 0px;
    }
    footer .content {
        text-align: center;
        width: 98%;
    }
}