Get Bootstrap Clone Using Bootstrap

Summary

Experimenting using Bootstrap CSS to recreate the get Bootstrap documents website with a sprinkle of css.

• Top navigation bar is responsive with a hamburger menu
• Light and dark mode
• Responsive right side table of contents

I made everything responsive except the left menu.

Tech

• Bootstrap
• CSS
• HTML
• Glitch

HTML

Here are the resources in the head of the document.

<link
  href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css"
  rel="stylesheet"
  integrity="sha384-T3c6CoIi6uLrA9TneNEoa7RxnatzjcDSCmG1MXxSR1GAsXEV/Dwwykc2MPK8M2HN"
  crossorigin="anonymous"
/>

<link
  rel="stylesheet"
  href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.1/font/bootstrap-icons.css"
/>
<!-- local dev server -->
<script src="js/color-modes.js" defer></script>

CSS

/* Page Grid */
.bd-layout {
  display: grid;
  grid-template-areas: 'sidebar main';
  grid-template-columns: 1fr 5fr;
  gap: 1.5rem;
}

.bd-gutter {
  --bs-gutter-x: 3rem;
}

/* Sidebar */
.bd-sidebar {
  grid-area: sidebar;
}

.bd-sidebar {
  position: -webkit-sticky;
  position: sticky;
  top: 5rem;
  display: block !important;
  height: calc(100vh - 6rem);
  padding-left: 0.25rem;
  margin-left: -0.25rem;
  overflow-y: auto;
}

/* Main */
.bd-main {
  grid-area: main;
}

.bd-main {
  display: grid;
  grid-template-areas:
    'intro toc'
    'content toc';
  grid-template-rows: auto 1fr;
  grid-template-columns: 4fr 1fr;
  gap: inherit;
}

/* Table of Contents */
.bd-toc {
  grid-area: toc;
}

.bd-toc {
  position: -webkit-sticky;
  position: sticky;
  top: 5rem;
  right: 0;
  z-index: 2;
  height: calc(100vh - 7rem);
  overflow-y: auto;
}

.bd-toc nav ul {
  padding-left: 0;
  margin-bottom: 0;
  list-style: none;
}

.bd-toc-collapse {
  display: block !important;
}
.bd-toc nav a.active {
  font-weight: 500;
}
.bd-toc nav a:hover,
.bd-toc nav a.active {
  color: var(--bd-toc-color);
  border-left-color: var(--bd-toc-color);
}
.bd-toc nav a {
  display: block;
  padding: 0.125rem 0 0.125rem 0.75rem;
  color: inherit;
  text-decoration: none;
  border-left: 0.125rem solid transparent;
}

/* Intro Block */
.bd-intro {
  grid-area: intro;
}
/* Content Block */
.bd-content {
  grid-area: content;
  min-width: 1px;
}

main a,
main button,
main input,
main select,
main textarea,
main h2,
main h3,
main h4,
main [tabindex='0'] {
  scroll-margin-top: 80px;
  scroll-margin-bottom: 100px;
}

@media (max-width: 768px) {
  .bd-main {
    display: grid;
    grid-template-areas:
      'intro'
      'toc'
      'content';
    grid-template-rows: auto auto 1fr;
    grid-template-columns: 1fr;
    gap: inherit;
  }

  .bd-toc {
    height: auto;
    position: relative;
    top: auto;
  }
}

.bi {
  width: 1em;
  height: 1em;
  fill: currentcolor;
}

Demo

Here is a link to the demonstration on Glitch.

Link to Demo