@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;700&family=Source+Code+Pro:wght@400;700&display=swap');
  

  * {
    box-sizing: border-box;
  }

  html {
    padding: 0;
  }

  #head {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: #58246a;
    color: #ffffff; 
    display: grid;
    grid-template-columns: 304px 1fr;
    column-gap: 32px;
    z-index: 24;
  }
  
  #logo {
    height: 80px;
    margin: 8px 32px;
  }
  
  h1 {
    margin: 0;
    font-weight: normal;
    font-size: 40px;
    line-height: 96px;
  }
  
  h2 {
    font-weight: normal;
  }
  
  h2 a {
    margin-left: 6px;
    color: inherit;
  }
  
  h2 a:hover {
    color: #7a86b8;
  }
  
  h3 {
    margin: 8px 0 4px;
    font-size: inherit;
  }

  body {
    width: 800px;
    margin: 0;
    margin-left: 320px;
    padding: 96px 20px 300px;
    font-family: 'Open Sans', sans-serif;
    font-size: 11pt;
    line-height: 22px;
    background-color: #ffffff;
    overflow-y: scroll;
  }
  
  .nb {
    padding-left: 36px;
    position: relative;
    z-index: -1;
  }
  
  .nb::before {
    position: absolute;
    left: 0;
    top: 0;
    content: 'NB.';
  }
  
  .note::before {
    content: '*)';    
  }
  
  #toc {
    position: fixed;
    top: 136px;
    left: 28px;
    max-height: calc(100vh - 180px);
    overflow-y: auto;
  }
  
  .toc {
    width: 256px;
    padding: 0;
    list-style: none;
    background-color: #ffffff;
    border: 1px solid #a5a5a5;
  }
  
  #menu {
    margin-top: 48px;
    width: 512px;
  }
  
  #menu > li > a {
    position: relative;
    padding-left: 24px;
  }
  
  #menu > li > a button {
    position: absolute;
    display: block;
    padding: 0;
    top: 12px;
    left: 4px;
    width: 16px;
    height: 16px;
    border: none;
    outline: none;
    background: transparent;
    font-size: inherit;
    color: #606060;
  }
  
  
  .submenu {
    list-style: none;
    padding: 0;
    display: none;
  }
    
  #menu > li.unfolded .submenu {
    display: block;
  }  
  
  .toc[data-title]::before {
    content: attr(data-title);
    display: block;
    font-weight: bold;
    padding: 8px 12px;
    border-bottom: 1px solid #a5a5a5;
  }
    
  .toc .tab {
    position: relative;
    padding: 8px 12px;
    padding-right: 24px;
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
    color: #606060;
  }
  
  
  .toc .tab.level-0 {
      padding-left: 12px !important;
  }
  .toc .tab.level-1 {
      padding-left: 24px;
  }
  .toc .tab.level-2 {
      padding-left: 36px;
  }
  
  .submenu .tab {
    padding: 6px 12px 6px 40px;
    margin: -4px 0;
  }
  
  .submenu .tab:last-child {
    margin-bottom: 0;
  }
  
  .toc .tab:hover {
    color: #007fff;
    background-color: #f6f6f6;
  }
  
  #menu > li > a button:hover {
    color: #007fff;
  }
  
  #menu > li > a:has(button:hover) {
    color: #606060;
  }
  
  .toc .tab.active-tab {
    color: #007fff;
    background-color: #f6f6f6;
    border-right: 8px solid #007fff;
  }
  
  ul:not(.toc, .submenu) li {
    margin: 4px 0;
  }
  
  ol {
    padding-left: 42px;
  }
  
  ol li {
    padding-left: 8px;
    margin: 16px 0;
  }
  
  .anker a {
    width: fit-content;
    text-decoration: none;
    color: #606060;
  }
  
  .anker a:hover {    
    color: #007fff;
  }
  
  section {
    padding: 36px 0 0;
    page-break-inside: avoid;
  }
  
  .under-construction {
    margin-top: 64px;
    padding: 8px 12px;
    border: 1px solid #a5a5a5;
  }
  
  .under-construction::after {
    display: block;
    float: right;
    content: '';
    position: relative;
    width: 64px;
    height: 64px;
    background-image: url('https://upload.wikimedia.org/wikipedia/commons/a/af/Under_construction_icon-yellow.svg');
    background-size: contain;
    background-repeat: no-repeat;
    top: -32px;
  }
  
  
  table {
    width: 100%;
    border-collapse: collapse;
  }
  
  code.php, pre.php {
    display: block;
    white-space: pre-wrap;
    padding: 8px 12px;
    border: 1px solid #a5a5a5;
    margin: 0;
  }
  
  .voorbeeld {
    font-weight: bold;
    margin-bottom: .5em;
  }
  
  tr {
    border: 1px solid #a5a5a5;
  }
  
  tbody tr:nth-child(odd) {
    background-color: #f6f6f6;
  }
  
  td {
    padding: 8px 12px;
    vertical-align: top;
  }
  
  thead td {
    font-weight: bold;
  }
  
  td.left {
    text-align: left;
  }
  
  td.center {
    text-align: center;
  }
  
  td.fixed {
    white-space: nowrap;
    width: fit-content;
  }
  
  td:not(.fixed) {
    width: 100%;
  }
  
  .of {
    margin: 6px 0;
  }
  
  .of::before {
    content: 'of';
  }
  
  .parameters {
    list-style: none;
    padding-left: 32px;
  }
  
  .parameters [name] {
    margin-top: 12px;
  }
  
  .parameters [name]::before {
    display: block;
    content: attr(name);
    margin-left: -32px;
    font-style: italic;
  }
  
  pre.php + pre.php {
    margin-top: 12px;
  }
  
  .code, .parameters [name]::before {
    font-family: Consolas, 'Source Code Pro', monospace;
    font-size: 10.5pt;
    color: #000000;
    white-space: pre-wrap;
  }
  
  h2 .code {
    font-size: 18pt;
  }
  
  .php span {
    padding: 3px 0;
  }
  
  .ace_indent-guide {
    border-right: 1px dashed #e0e0e0;
  }
  
  .ace_whitespace_only {
    border: 1px solid red;
  }
  
  .ace_variable {
    color: #001080;
  }
  
  .ace_numeric {
    color: #098657;
  }
  
  .ace_keyword {
    color: #ae00db;
  }  
    
  .ace_string {
    color: #a31515;
  }
  
  .ace_php_tag {
    color: #800000;
  }
  
  .ace_function {
    color: #795d26;
  }
  
  .ace_comment {
    color: #098658;
  }
    
  .ace_paren {
    display: inline-block;
    padding: 3px !important;
    margin: -3px;
  }
    
  .ace_paren.paren-level-0 { color: #0431fa; }
  .ace_paren.paren-level-1 { color: #319331; }
  .ace_paren.paren-level-2 { color: #7b3814; }
  .ace_paren.paren-level-3 { color: #0431fa; }
  .ace_paren.paren-level-4 { color: #319331; }
  .ace_paren.paren-level-5 { color: #7b3814; }
  .ace_paren.paren-level-6 { color: #0431fa; }
  .ace_paren.paren-level-7 { color: #319331; }
  .ace_paren.paren-level-8 { color: #7b3814; }
  .ace_paren.paren-level-9 { color: #0431fa; }
  .ace_paren.paren-level-10 { color: #319331; }
  .ace_paren.paren-level-11 { color: #7b3814; }
  .ace_paren.paren-level-12 { color: #0431fa; }
  .ace_paren.paren-level-13 { color: #319331; }
  .ace_paren.paren-level-14 { color: #7b3814; }
  .ace_paren.paren-level-15 { color: #0431fa; }
  .ace_paren.paren-level-16 { color: #319331; }
  .ace_paren.paren-level-17 { color: #7b3814; }
  .ace_paren.paren-level-18 { color: #0431fa; }
  .ace_paren.paren-level-19 { color: #319331; }
  .ace_paren.paren-level-20 { color: #7b3814; }
  .ace_paren.paren-level-21 { color: #0431fa; }
  .ace_paren.paren-level-22 { color: #319331; }
  .ace_paren.paren-level-23 { color: #7b3814; }
  .ace_paren.paren-level-24 { color: #0431fa; }
  .ace_paren.paren-level-25 { color: #319331; }
  .ace_paren.paren-level-26 { color: #7b3814; }
  .ace_paren.paren-level-27 { color: #0431fa; }
  .ace_paren.paren-level-28 { color: #319331; }
  .ace_paren.paren-level-29 { color: #7b3814; }
  
  .ace_paren.matched-paren {
    font-weight: bold;
  }
  
  .ace_xml.ace_xml-pe {
    color: #ff0000;    
  }
  
  .ace_xml.ace_tag, .ace_xml.ace_doctype  {
    color: #800000;
  }
  
  .ace_xml.ace_attribute-name {
    color: #ff0000;
  }
  
  .ace_xml.ace_attribute-value {
    color: #0000ff;
  }
  
  .ace_xml.ace_text  {
    color: #000000;
  }
  
  .ace_xml.ace_comment {
    color: #098658;
  }
  
  .ace_xml.ace_escape  {
    color: #0000ff;
  }
  
  .html-tag .ace_tag-name:hover {
    background: #f0f0f0;
  }
  
  
  .syntax i, .parameters [name]::before {    
    color: #d00000;
  }
  .syntax i.optional {
    font-style: normal;
    color: #56e85b;
  }
  
  /*
  .html-opening-tag {
    
  }
  .html-closing-tag {
    
  }
  .html-self-closing-tag {
    
  }
  */
  
  .wrapped-content {
    background: #ffffa0;
    position: relative;
    z-index: -1;
    padding: 2px;
  }
  
/*
  .ace_paren {
    color: #0431fa;
  }
*/
  
  @media print {
    #toc, #logo {
      display: none;
    }
    body {
      margin: 0 auto;
      padding: 0;
    }
    #head {
      position: relative;
      background: none;
      color: inherit; 
      display: block;
    }  
    .pagebreak {
      page-break-before: always;
    }
  }