body {
    font-family:Arial, Helvetica, sans-serif;
    margin: 0;
    padding: 0;
    background-color: blanchedalmond;
}
header {
    background-color: navy;
    color: white;
    text-align: center;
    padding: 5px;
}
div.sticky {
    background-color: navy;
    color: white;
    text-align: center;
    position: sticky;
    font-size: 2em;
    font-weight: bold;
    padding-bottom: 5px;
}
main {
    padding: 20px;
}
footer {
    background-color: navy;
    color: white;
    font-weight: bolder;
    text-align: center;
    
    position: fixed;
    bottom: 0;
    width: 100%;
}
 /* unvisited link */
 a:link {
    text-decoration: none;
    color: blue;
  }
  
  /* visited link */
  a:visited {
    text-decoration: none;
    color: blue;
  }
  
  /* mouse over link */
  a:hover {
    text-decoration: none;
    color: red;
  }
  
  /* selected link */
  a:active {
    text-decoration: none;
    color: blue;
  }
  p.green {
    color: green;
    font-weight: bold;
  }
  p.red {
    color: red;
    font-weight: bold;
  }
  pre {
    background-color: lightgray;
    font-weight: bold;
    padding: 10px;
  }
  pre.danger {
    background-color: red;
    color: white;
    font-weight: bold;
    padding: 10px;
  }
  h1.danger{
    font-weight: bolder;
    color: red;
    text-align: center;
  }
  td.cipot {
    color: green;
    padding: 5px;
    width: 110px;
    font-weight: bold;
  }