.md-main__inner {
  max-width: 80% !important;
  padding-left: 1rem !important;
  padding-right: 1rem !important;
}
hr {
  border: none !important;
  box-shadow: none !important;
  height: 1px;
  background: var(--md-default-fg-color--lighter); /* uses theme primary color */
  margin: 2rem 0;
  opacity: 1;
}