#toc div.h1, div.ol, div.ul { margin-left: 0 }
    #toc div.h2, div.li { margin-left: 1em }
    #toc div.h3 { margin-left: 2em }
    #toc div.h4 { margin-left: 3em }
    #toc div.h5 { margin-left: 4em }
    #toc div.h6 { margin-left: 5em }
	


#to-top {
  position: fixed;
  bottom: 10px;
  right: 10px;
  width: 100px;
  padding: 5px;
  border: 1px solid #ccc;
  background: #f7f7f7;
  color: #333;
  text-align: center;
  cursor: pointer;
  display: inline;
}

#to-top:hover {    
    background-color: rgba(135, 135, 135, 0.50);
}