.title {
    font-size: 38px;
    text-align: center;
}

.author {
    text-align: center;
}

.date {
    text-align: center;
}

h2 {
    margin-top: 84px;
}

#TOC {
  top: 1%;
  opacity: 0.8;
}
#TOC:hover {
  opacity: 1;
}

.list-group-item.active, .list-group-item.active:focus, .list-group-item.active:hover {
    background-color: #e6c41e;
    color:black;
    font-weight: bold;
}

.list-group-item {
    background-color: gray;
    color: white;
    font-style: italic;
}

.nav-pills>li.active>a, .nav-pills>li.active>a:focus, .nav-pills>li.active>a:hover {
    color:black;
    background-color: #e6c41e;
    font-weight: bold;

}

.nav-pills>li>a {
  background-color: grey;
  color: white;
}

a {
    background-color: transparent;
    color: black;
    font-style: italic;
}

a:hover {
    color: #e6c41e;
    font-style: italic;
}

.box { 
  border-style: outset; 
  background-color:#e6c41e; 
  border-width: 7px; 
  border-color:#e6c41e; 
  border-radius: 5px; 
  padding: 20px;}

/* style bookdown specific toc */

.summary {background:white;}

.book .book-summary ul.summary li a:hover, .book .book-summary ul.summary li.active>a {
    background: #e6c41e;
    color:black;
    font-weight: bold;
    border-radius: 23px 2px;
    box-shadow: 0px 0px 5px black;
}

/* style windows to other websites */

iframe {
  min-width: 100%;
  min-height: 40vh;
}