*, *:before, *:after {
    box-sizing: border-box;
  }

  html {
    font-size: 16px;
  }


  @media screen and (max-width: 600px) {
    .plane {
  margin: 20px auto;
    max-width: 300px;  }
  }

  .exit {
    position: relative;
    height: 50px;
  }
  .exit:before, .exit:after {
    content: "EXIT";
    font-size: 14px;
    line-height: 18px;
    padding: 0px 2px;
    font-family: "Arial Narrow", Arial, sans-serif;
    display: block;
    position: absolute;
    background: green;
    color: white;
    top: 50%;
    transform: translate(0, -50%);
  }
  .exit:before {
    left: 0;
  }
  .exit:after {
    right: 0;
  }

  .fuselage {
    border-right: 5px solid #d8d8d8;
    border-left: 5px solid #d8d8d8;
  }

  ol {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .seats {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: flex-start;
  }

  .seat {
    display: flex;
    flex: 0 0 14.28571428571429%;
    padding: 5px;
    position: relative;
  }
  .seat:nth-child(3) {
    margin-right: 14.28571428571429%;
  }
  .seat input[type=checkbox] {
    position: absolute;
    opacity: 0;
  }
  .seat input[type=checkbox]:checked + label {
    background: #02ccfe;
    -webkit-animation-name: rubberBand;
    animation-name: rubberBand;
    animation-duration: 300ms;
    animation-fill-mode: both;
    color: white;
  }

  .test + label {
    background: #dddddd;
    text-indent: -9999px;
    overflow: hidden;
  }
  .test:disabled + label:after {
    content: "X";
    text-indent: 0;
    position: absolute;
    top: 4px;
    left: 50%;
    transform: translate(-50%, 0%);
  }
  .seat input[type=checkbox]:disabled + label:hover {
    box-shadow: none;
    cursor: not-allowed;
  }
  .seat label {
    display: block;
    position: relative;
    width: 100%;
    text-align: center;
    font-size: 14px;
    font-weight: bold;
    line-height: 1.5rem;
    border: 1px solid black;
    padding: 4px 0;
    background: #fff;
    border-radius: 5px;
    animation-duration: 300ms;
    animation-fill-mode: both;
  }
  .seat label:before {
    content: "";
    position: absolute;
    width: 75%;
    height: 75%;
    top: 1px;
    left: 50%;
    transform: translate(-50%, 0%);
    background: rgba(255, 255, 255, 0.4);
    border-radius: 3px;
  }
  .seat label:hover {
    cursor: pointer;
    box-shadow: 0 0 0px 2px #5C6AFF;
  }

  @-webkit-keyframes rubberBand {
    0% {
      -webkit-transform: scale3d(1, 1, 1);
      transform: scale3d(1, 1, 1);
    }
    30% {
      -webkit-transform: scale3d(1.25, 0.75, 1);
      transform: scale3d(1.25, 0.75, 1);
    }
    40% {
      -webkit-transform: scale3d(0.75, 1.25, 1);
      transform: scale3d(0.75, 1.25, 1);
    }
    50% {
      -webkit-transform: scale3d(1.15, 0.85, 1);
      transform: scale3d(1.15, 0.85, 1);
    }
    65% {
      -webkit-transform: scale3d(0.95, 1.05, 1);
      transform: scale3d(0.95, 1.05, 1);
    }
    75% {
      -webkit-transform: scale3d(1.05, 0.95, 1);
      transform: scale3d(1.05, 0.95, 1);
    }
    100% {
      -webkit-transform: scale3d(1, 1, 1);
      transform: scale3d(1, 1, 1);
    }
  }
  @keyframes rubberBand {
    0% {
      -webkit-transform: scale3d(1, 1, 1);
      transform: scale3d(1, 1, 1);
    }
    30% {
      -webkit-transform: scale3d(1.25, 0.75, 1);
      transform: scale3d(1.25, 0.75, 1);
    }
    40% {
      -webkit-transform: scale3d(0.75, 1.25, 1);
      transform: scale3d(0.75, 1.25, 1);
    }
    50% {
      -webkit-transform: scale3d(1.15, 0.85, 1);
      transform: scale3d(1.15, 0.85, 1);
    }
    65% {
      -webkit-transform: scale3d(0.95, 1.05, 1);
      transform: scale3d(0.95, 1.05, 1);
    }
    75% {
      -webkit-transform: scale3d(1.05, 0.95, 1);
      transform: scale3d(1.05, 0.95, 1);
    }
    100% {
      -webkit-transform: scale3d(1, 1, 1);
      transform: scale3d(1, 1, 1);
    }
  }
  .rubberBand {
    -webkit-animation-name: rubberBand;
    animation-name: rubberBand;
  }