body { 
  margin: 0; 
  font-family:Arial, Helvetica, sans-serif;
}

/* Menu Bar */
ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #333;
    position: -webkit-sticky; /* Safari */
    position: sticky;
    top: 0;
  }
  
  li {
    float: left;
  }
  
  li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
  }
  
  li a:hover {
    background-color: rgb(149, 65, 132);
  }
  
  .active {
    background-color: rgb(244, 106, 216);
  }
  /* End of Menu Bar */