    #main-content hr {
      margin: 1em 0;
      border: 0;
      border-bottom: 1px solid #ccc;
    }
    #main-content blockquote {
      margin-left: 0;
      padding: 0.5em 0 0.5em 2em;
      border-left: 0px solid rgb(211, 218, 234); /* original border-left: 3px */
	  /*border-left: 0px solid #000); background-color: #000;*/
    }
    #main-content li, code {
      margin: 0.4em 0;
    }
    #main-content ul li {
      list-style-type: circle; /* PQ weil navi übersteuert */
	  /* https://wiki.selfhtml.org/wiki/HTML/Tutorials/Listen/Gestaltung_mit_CSS#Aufz.C3.A4hlungszeichen_anders */ 
    }
   /* #main-content ol {
      list-style-type: decimal; /* PQ weil navi übersteuert 
    }*/	
    #main-content p {
      margin: 0.9em 0;
    }
    #main-content code {
      background: rgba(211, 218, 234, 0.25);
    }
    #main-content pre > code {
      display: block;
      padding: 0.2em 1em;
    }
	#main-content pre {background: rgba(211, 218, 234, 0.25);} /* code-background PQ */
    #main-content table {
      border-spacing: 0;
      border-collapse: collapse;
    }
    #main-content td {
      padding: 4px 8px;
    }
    #main-content tr:nth-child(2n) {
      background: #000; /* PQ korr */
    }
    #main-content th {
      border-bottom: 1px solid #aaa;
    }