* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  *:focus {
      outline: 0;
  }
  
  body{
      background-color: #fff;
      background-size:  8px 8px, 8px 8px;
      background-position: center, center;
      background-image: linear-gradient(#ebf4f9 1px, transparent 1px),linear-gradient(90deg, #ebf4f9 1px, transparent 1px);
  }
  
  html {
      -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  }
  
  .container {
    margin: 50px auto;
    max-width: 90%;
    width: 600px;
  }
  
  .ctn-cyphers {
    align-items: center;
    background-color: #000000;
    border-radius: 10px 10px 0 0;
    box-shadow: 0 0 10px #cdcdcd inset;
    display: flex;
    justify-content: center;
    width: 100%;
  }
  
  [class^="cypher-"] {
    background-color: #080808;
    border-radius: 5px;
    box-shadow: 0 0 0 5px #cdcdcd inset;
    cursor: pointer;
    font: bold 100px sans-serif;
    margin: 2.5%;
    padding: 15% 0;
    text-align: center;
    width: 100%;
  }
  
  [class^="cypher-"] span {
    background-clip: inherit;
    -webkit-background-clip: text;
    background-color: #cdcdcd;
    color: rgba(0, 0, 0, 0);
  }
  
  [class^="cypher-"] span.active {
    background-image: linear-gradient(
                        to bottom,
                      #e73e2b 40%,
                      #fbee17 45%,
                      #91c03a 50%,
                      #019971 55%,
                      #0197cf 60%,
                      #834288 65%
                      );
  }
  
  .result {
    background-color: #080808;
    border-radius: 0 0 10px 10px;
    padding: 15px 0;
    text-align: center;
  }
  
  .result p {
    color: #cdcdcd;
    font: normal 20px sans-serif;
    text-shadow: 0 0 5px #000000;
  }
  
  .result p .content-result.good {
    color: #00ff00;
  }
  
  .result p .content-result.bad {
    color: #ff0000;
  }
  
  .result p .round {
    font-weight: bold;
  }
  
  .reset {
    display: none;
    text-align: center;
  }
  
  .reset button {
    background-color: rgba(0, 0, 0, 0);
    border-style: none;
    box-shadow: 0 0 0 3px #080808;
    color: #080808;
    cursor: pointer;
    font: bold 20px sans-serif;
    margin-top: 30px;
    padding: 0.5em 2em;
  }
  
  @media screen and (max-width: 500px) {
      .container {
        margin: 5px auto;
          max-width: 80%;
      }
      
    .ctn-cyphers {
      flex-direction: column;
    }
  
    [class^="cypher-"] {
      font-size: 50px;
      margin: 5%;
      padding: 2.5% 0;
      width: 80%;
    }
  }