traefik/docs/content/assets/styles/menu.css

.md-nav__link {
  margin-left: -0.4rem;
  padding: 0 0.4rem;
  line-height: 32px;
  color: var(--dark) !important;
}

.md-nav__link::after {
  font-size: 16px;
  vertical-align: -.25em;
}

.md-nav__toggle:checked + .md-nav__link,
.md-nav__link--active,
.md-nav__link:hover {
  border-radius: 8px;
  background-color: var(--light-blue) !important;
  color: var(--dark) !important;
  transition: background-color 0.3s ease;
}

.md-nav__link--active {
  color: var(--blue) !important;
  font-weight: bold;
}

.md-sidebar--primary {
  background-color: white;
}

.md-sidebar--secondary .md-nav__title {
  font-size: 12px;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
  padding: 0;
}

.md-sidebar__scrollwrap {
  max-height: calc(100% - 50px);
}

.md-sidebar--secondary .md-sidebar__scrollwrap {
  border-radius: 8px;
  background-color: var(--light-blue) !important;
}

.md-sidebar--secondary .md-nav__title {
  padding: 0.8rem 0.4rem 0.8rem;
}

.md-sidebar--secondary .md-nav__list {
  padding: 0 0.4rem 0.8rem 1.2rem;
}

.md-sidebar--secondary .md-sidebar__scrollwrap .md-nav__link {
  font-weight: 300;
}

.md-sidebar--secondary
  .md-sidebar__scrollwrap
  .md-nav__link[data-md-state='blur'],
.md-sidebar--secondary .md-sidebar__scrollwrap .md-nav__link:hover {
  color: var(--blue) !important;
  font-weight: bold;
}

.md-sidebar--secondary .md-nav__item {
  padding: 0 0 0 0.4rem;
}

.md-sidebar--secondary .md-nav__link {
  margin-top: 0.225em;
  padding: 0.1rem 0.2rem;
}

.md-sidebar--secondary li {
  list-style-type: disc;
}

.md-sidebar--secondary .repo_url {
  padding: 10px 0 14px 0;
}


.md-search__inner {
  width: inherit;
  float: inherit;
}

.md-search__input {
  margin-bottom: 10px;
  border-radius: 4px; 
  background-color: inherit;
  border: 1px solid rgba(0,0,0,.07);
}

.md-search__input::placeholder {
  color: rgba(0,0,0,.07);
}

@media only screen and (min-width: 60em) {
  [data-md-toggle=search]:checked~.md-header .md-search__inner {
    margin-top: 100px;
  }
}