body {
  max-width: 700px;
  margin: 60px auto;
  font-family: 'Poppins', sans-serif;
  background: #f0f0f0;

}

header h1 {
  margin-block-end: 0.1em;
}

ul.navigation {
  list-style-type: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
}

h1 {
  font-size: 2em;
  margin-block-end: 0em;
  color: grey;
}

a {
  text-decoration: none;
  color:blue;

}
a:visited  {
  color:blue;
}

a:hover  {
  text-align: underline;
}
.navigation li {
  display: block;
  display:flex;
}
.main{
  font-size: 1.5em;
}
.navigation tr{
  padding: 15px;
  margin: 0px;
}

.navigation.main li {
  /* background:#f7f7f7; */
  padding: 7px;
  margin: 7px;
}
.navigation.main li:nth-child(2n+1) , table.main tbody tr{
  background:#e7e7e7;
}
button.bookmark{
  color: #a4afff;
}
button.bookmark.active{
  color: blue;
}

button.material-icons {
  background:none;
  border:none;
}


table#chapter-list tbody th {
  font-weight: normal;
}

table#chapter-list tbody td {
  padding: 10px;
}
table#chapter-list,table#chapter-list thead, table#chapter-list tbody {
  width: 100%;
  text-align: center;
}
table#chapter-list td:first-child, table#chapter-list th:first-child {
  text-align: left;
}

table#chapter-list thead {
  background: none;
}