.md-nav__item--section > .md-nav > .md-nav__list {
    margin-left: 0.5rem;
  }

  :root {
    --md-admonition-icon--threat-model: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M6 6.9 3.87 4.78l1.41-1.41L7.4 5.5zM13 1v3h-2V1zm7.13 3.78L18 6.9l-1.4-1.4 2.12-2.13zM4.5 10.5v2h-3v-2zm15 0h3v2h-3zM6 20h12a2 2 0 0 1 2 2H4a2 2 0 0 1 2-2m6-15a6 6 0 0 1 6 6v8H6v-8a6 6 0 0 1 6-6m0 2a4 4 0 0 0-4 4v6h8v-6a4 4 0 0 0-4-4"/></svg>')
  }
  .md-typeset .admonition.threat-model,
  .md-typeset details.threat-model {
    border-color: rgb(255, 23, 68);
  }
  .md-typeset .threat-model > .admonition-title,
  .md-typeset .threat-model > summary {
    background-color: rgba(255, 23, 68, 0.1);
  }
  .md-typeset .threat-model > .admonition-title::before,
  .md-typeset .threat-model > summary::before {
    background-color: rgb(255, 23, 68);
    -webkit-mask-image: var(--md-admonition-icon--threat-model);
            mask-image: var(--md-admonition-icon--threat-model);
  }