* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    min-height: 100vh;
    background: #ddd;
   
    font-family: arial;
    position: relative;
    text-align: center;
  }
  
  /* HEADER */
  header {
    color: white;
    letter-spacing: 10px;
    font-size: 22px;
    padding: 10px 5px;
  }
  
  @media only screen and (min-width: 768px) {
    header {
      font-size: 28px;
    }
  }
  
  @media only screen and (min-width: 1024px) {
    header {
      font-size: 32px;
      padding: 10px;
    }
    
    header h1 {
      font-weight: 400;
    }
  }
  
  /* main SECTION */
  .main {
    background: white;
    width: 250px;
  /*   height: 345px; */
    padding-bottom: 10px;
  /*   box-shadow: 3px 3px 3px 1px rgba(0,0,0,0.4); */
    margin: auto;
    -webkit-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none;
  }
  
  @media only screen and (min-width: 768px) {
    .main {
      width: 310px;
  /*     height: 285px; */
    }
  }
  
  @media only screen and (min-width: 1024px) {
    .main {
      width: 410px;
  /*     height: 375px; */
    }
  }
  
  .box {
    background: #aa618e;
    width: 50px;
    height: 50px;
    float: left;
    margin: 10px 0 0 10px;
  }
  
  @media only screen and (min-width: 1024px) {
    .box {
      width: 70px;
      height: 70px;
    }
  }
  
  .box.play:hover {
    opacity: 0.7;
    cursor: pointer;
  }
  
  .box img {
    width: 100%;
    display: block;
    border: solid 1px transparent;
  }
  
  .box .outlined {
    border: solid 1px #34495e;
    background: #1abc9c;
    opacity: 0.7;
  }
  
  /* STATUS bar */
  #state {
    background: #e70f5e;
  /*   background-image: linear-gradient(to top left, #9b59b6, #1abc9c); */
    background-size: 250%;
    width: 230px;
    line-height: 25px;
    float: left;
    margin: 10px 0 0 10px;
    padding: 0 10px;
    color: white;
    font-size: 16px;
  }
  
  @media only screen and (min-width: 768px) {
    #state {
      width: 290px;
    }
  }
  
  @media only screen and (min-width: 1024px) {
    #state {
      width: 390px;
      line-height: 35px;
    }
  }
  
  #time {
    float: left;
  }
  
  #time::after {
    content: " sec";
  }
  
  #score {
    float: right;
  }
  
  #score::after {
    content: " points";
  }
  
  /* FOOTER */
  footer p {
    color: white;
    padding: 5px;
    font-size: 14px;
    letter-spacing: 1px;
  }
  
  footer p a {
    color: #ddd;
    text-decoration: none;
  }
  
  footer p a:hover {
    color: white;
    text-decoration: underline;
  }
  
  .hidden {
    display: none !important;
  }
  
  .show {
    display: block;
  }
  
  /* PRE modal window */
  #pre {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.5);
    text-align: center;
  }
  
  #themes {
    margin: auto;
    padding: 20px;
    width: 300px;
    background: white;
    color: #6186aa;
  }
  
  #themes p {
    margin-top: 10px;
    padding: 10px 20px;
    border: solid 1px;
    background: white;
    color: #6186aa;
    cursor: pointer;
    font-size: 16px;
  }
  
  #themes p:hover {
    background: #6186aa;
    background-size: 250%;
    color: white;
  }
  
  #pre h2, #post h2 {
    font-size: 24px;
    font-weight: normal;
    letter-spacing: 1px;
    margin-bottom: 20px;
  }
  
  /* POST modal window */
  #post {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
  }
  
  #post > div {
    width: 300px;
    padding: 20px 0 40px;
    background: white;
    color: #6186aa;
  }
  
  #post p:first-child, 
  #post #final {
    font-weight: bold;
    letter-spacing: 2px;
    margin: auto;
    padding: 10px 20px;
  }
  
  #post #again {
    color: #6186aa;
    text-decoration: none;
    margin: auto;
    padding: 10px 20px;
    width: 160px;
    border: solid 1px;
  }
  
  #post #again:hover {
    background: #6186aa;
  /*   background-image: linear-gradient(to top left, #9b59b6, #1abc9c); */
    background-size: 250%;
    color: white;
    cursor: pointer;
  }