.container.header-separator {
  background-color: #090909;
}

h1 {
  text-align: center;
}

.table-of-contents.open {
  border-style: solid;
  border-color: #ffffff;
  border-radius: 20px;
  background-color: #000000;
  border-width: 1px;
}

.entry-content table th {
  background-color: #000000;
}