chrome/browser/resources/privacy_sandbox/internals/internals_page.html

<style>
  :host {
    --interactive-bg-hover: rgb(242, 242, 242);
    --interactive-bg-active: rgb(234, 234, 234);
    --icon-fill-default: lightgray;
    --icon-fill-hover: gray;
    --icon-fill-active: black;
  }

  h1,
  h2,
  h3,
  h4 {
    color: var(--header-text-color);
  }

  #ps-page {
    width: 100%;
  }

  div.content-settings {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 28rem), 1fr));
  }

  content-setting-pattern-source {
    display: grid;
    box-shadow: rgba(0, 0, 0, 0.3) 0 1px 2px 0,
      rgba(0, 0, 0, 0.15) 0 2px 6px 2px;
    background: white;
    border-radius: 8px;
  }

  content-setting-pattern-source[hidden] {
    display: none;
  }

  cr-frame-list {
    height: 100%;
  }

  .main-content-wrapper {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow-y: auto;
    width: 100%;
  }

  search-bar {
    padding: 16px 24px;
    flex-shrink: 0;
    border-bottom: 1px solid var(--cr-separator-color, #e0e0e0);
  }

  .panels-container {
    flex-grow: 1;
    padding: 0 24px;
    padding-bottom: 24px;
  }
</style>

<cr-frame-list id="ps-page">
</cr-frame-list>