:root {
    --green: rgba(27, 83, 82, 1);     /* = #1B5352 = British Std "BSI" !!!! = (BS) 16 C 39 Umrechung auf https://www.freiefarbe.de/thema-farbe/farbdatenbank/ */
    --grey: rgba(131, 131, 133, 1);  /* British Std "BSI" !!!! = 00 A 09 Umrechung auf https://www.freiefarbe.de/thema-farbe/farbdatenbank/ */
    --black: rgba(50, 53, 55, 1);     /* British Std "BSI" !!!! = (BS)18 A 14 Umrechung auf https://www.freiefarbe.de/thema-farbe/farbdatenbank/ */
    /*--black: rgba(45, 60, 70, .9);     /* Farbe gefunden auf n-tv.de */
    --white: rgba(255, 255, 255, 1);
    
  }
  
  * {
    box-sizing: border-box;
  }
  
  body {
    margin: 0;
  }

  a{
    margin: 50px;
  }
  
  .row::after {
    content: "";
    clear: both;
    display: table;
  }
  
  [class*="col-"] {
    float: left;
    padding: 15px;
  }
  
   /* For mobile phones: */
  [class*="col-"] {
    width: 100%;
  }
  
  @media only screen and (min-width: 600px) {
    /* For tablets: */
    .col-s-1 {width: 8.33%;}
    .col-s-2 {width: 16.66%;}
    .col-s-3 {width: 25%;}
    .col-s-4 {width: 33.33%;}
    .col-s-5 {width: 41.66%;}
    .col-s-6 {width: 50%;}
    .col-s-7 {width: 58.33%;}
    .col-s-8 {width: 66.66%;}
    .col-s-9 {width: 75%;}
    .col-s-10 {width: 83.33%;}
    .col-s-11 {width: 91.66%;}
    .col-s-12 {width: 100%;}
  }
  
  @media only screen and (min-width: 768px) {
    /* For desktop: */
    .col-1 {width: 8.33%;}
    .col-2 {width: 16.66%;}
    .col-3 {width: 25%;}
    .col-4 {width: 33.33%;}
    .col-5 {width: 41.66%;}
    .col-6 {width: 50%;}
    .col-7 {width: 58.33%;}
    .col-8 {width: 66.66%;}
    .col-9 {width: 75%;}
    .col-10 {width: 83.33%;}
    .col-11 {width: 91.66%;}
    .col-12 {width: 100%;}
  } 
  html {
    font-family: "Lucida Sans", sans-serif;
  }
  
  .header {
    height: 100px;
    background-color: var(--green);
    color: var(--white);
  }
  
  .header .col-1 {
    border: 3px solid var(--white);
    border-radius: 10px;
  }
  
  .header .col-1 a {
    color: var(--white);
        text-decoration: none;
  }
  
  .header .col-1 a:hover {
    color: var(--grey);
  }
  /* ---------------------------------- row_001 ---------------------------------  */
  .row_001 {
    height: 50px;
    background-color: var(--black);
  }
  /* ---------------------------------- row_002 ---------------------------------  */
  .row_002 {
    height: 200px;
    border: 1px solid red;
  }
  
  .row_002 .col-12 {
    margin:0px;
    padding:0px;
    height: 100%;
    width: 100%;
    border: 1px solid green;
  }
  
  .row_002 .col-12 #myCanvas {          
    height: 100%;
    width: 100%;
    border: 1px solid blue;
  }
  /* ---------------------------------- menu ul ---------------------------------  */
  .menu ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
  }
  
  .menu li {
    padding: 8px;
    margin-bottom: 7px;
     border-radius: 25px;
    background-color: var(--green);
    color: #ffffff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  }
  
  .menu li:hover {
    background-color: var(--grey);
  }
  
  .aside {
    background-color: var(--green);
    padding: 15px;
     border-radius: 25px;
    color: #ffffff;
    text-align: center;
    font-size: 14px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  }
  
  .footer {
    background-color: var(--black);
    color: #ffffff;
    text-align: center;
    font-size: 12px;
    padding: 15px;
  }