10 CSS Sidebar Navigation Designs05 / 10

Pure CSSMIT licensed

Multi-Level Vertical Sidebar Menu Template in HTML/CSS

Light, glassy enterprise CRM with a rounded floating panel and soft shadows (Plus Jakarta Sans). Demonstrates true nested vertical navigation in CSS — submenus that contain their own nested sub-submenus (two tiers deep) — plus search, badges, and a mobile drawer. Best for enterprise SaaS, CRMs, project management tools, design systems whose navigation has genuine three-tier information architecture.

Published

Live Demo
Try it

The code

<section class="sn-mul" aria-label="Multi-level sidebar template demo">
  <input type="checkbox" id="sn-mul-d" class="toggle" aria-label="Toggle CRM navigation">
  <aside class="sidebar" aria-label="CRM navigation">
    <div class="brand">
      <div class="logo" aria-hidden="true">N</div>
      <div><b>Northwind</b><small>Sales CRM</small></div>
    </div>
    <div class="search">
      <svg viewBox="0 0 24 24" fill="none" aria-hidden="true"><circle cx="11" cy="11" r="8"/><path d="M21 21l-4.3-4.3"/></svg>
      <input type="search" placeholder="Search…" aria-label="Search CRM">
    </div>
    <nav class="nav">
      <div class="cap">Workspace</div>
      <a class="item active" href="#"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><rect x="3" y="3" width="7" height="9"/><rect x="14" y="3" width="7" height="5"/><rect x="14" y="12" width="7" height="9"/><rect x="3" y="16" width="7" height="5"/></svg>Overview</a>

      <input type="checkbox" id="sn-mul-m1" class="t" checked>
      <label class="item" for="sn-mul-m1"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><circle cx="9" cy="7" r="4"/><path d="M3 21v-2a4 4 0 014-4h4a4 4 0 014 4v2M17 11l2 2 4-4"/></svg>Contacts<svg class="chev" viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><path d="M9 18l6-6-6-6" stroke-width="2.2"/></svg></label>
      <div class="sub sub-l1">
        <a class="item" href="#">All People</a>
        <a class="item" href="#">Companies</a>
        <input type="checkbox" id="sn-mul-m2" class="t">
        <label class="item" for="sn-mul-m2">Lists<svg class="chev" viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><path d="M9 18l6-6-6-6" stroke-width="2.2"/></svg></label>
        <div class="sub sub-l2">
          <a href="#">Hot Leads</a>
          <a href="#">VIP Accounts</a>
          <a href="#">Newsletter</a>
        </div>
        <a class="item" href="#">Segments</a>
      </div>

      <input type="checkbox" id="sn-mul-m3" class="t">
      <label class="item" for="sn-mul-m3"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><path d="M20 12V8H6a2 2 0 01-2-2c0-1.1.9-2 2-2h12v4"/><path d="M4 6v12a2 2 0 002 2h14v-4"/></svg>Deals<svg class="chev" viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><path d="M9 18l6-6-6-6" stroke-width="2.2"/></svg></label>
      <div class="sub sub-l1">
        <a class="item" href="#">Pipeline</a>
        <a class="item" href="#">Forecast</a>
        <a class="item" href="#">Closed Won</a>
      </div>

      <a class="item" href="#"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><path d="M22 12h-4l-3 9L9 3l-3 9H2"/></svg>Activity<span class="tag">9</span></a>

      <div class="cap">System</div>
      <a class="item" href="#"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><circle cx="12" cy="12" r="3"/><path d="M19.4 15a1.65 1.65 0 00.33 1.82l.06.06a2 2 0 01-2.83 2.83l-.06-.06a1.65 1.65 0 00-2.82 1.17V21a2 2 0 01-4 0v-.09A1.65 1.65 0 007 19.4a1.65 1.65 0 00-1.82.33l-.06.06a2 2 0 11-2.83-2.83l.06-.06A1.65 1.65 0 004.6 14H4.5a2 2 0 010-4h.09A1.65 1.65 0 006 8.6"/></svg>Settings</a>
    </nav>
    <div class="foot">
      <div class="av" aria-hidden="true"></div>
      <div><b>Maya Chen</b><small>Sales Lead</small></div>
    </div>
  </aside>
  <label for="sn-mul-d" class="overlay" aria-hidden="true"></label>

  <div class="mainpane">
    <div class="top">
      <label for="sn-mul-d" class="mbtn" aria-label="Open navigation">
        <svg viewBox="0 0 24 24" fill="none" aria-hidden="true"><path d="M4 6h16M4 12h16M4 18h16" stroke-width="2" stroke-linecap="round"/></svg>
      </label>
      <div><h1>Overview</h1><p>Multi-level expandable navigation — up to two nested tiers.</p></div>
    </div>
    <div class="grid">
      <div class="c"><div class="k">Open Deals</div><div class="v">142</div></div>
      <div class="c"><div class="k">Pipeline Value</div><div class="v">$1.8M</div></div>
      <div class="c"><div class="k">Win Rate</div><div class="v">31%</div></div>
    </div>
  </div>
</section>
/* ─── 05 Multi-Level Sidebar Template — light CRM ──────────── */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

.sn-mul {
  --sn-mul-bg: #eef1f7;
  --sn-mul-panel: #ffffff;
  --sn-mul-line: #e6e9f2;
  --sn-mul-txt: #1c2438;
  --sn-mul-muted: #8089a0;
  --sn-mul-ink: #0b1020;
  --sn-mul-accent: #3b5bdb;
  --sn-mul-accent-soft: #eaeeff;
  --sn-mul-teal: #0ca678;
  position: relative;
  width: 100%;
  height: 600px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  background: radial-gradient(600px 400px at 100% 0%, rgba(59,91,219,.06), transparent), var(--sn-mul-bg);
  color: var(--sn-mul-txt);
  display: flex;
  overflow: hidden;
  box-sizing: border-box;
}

.sn-mul *,
.sn-mul *::before,
.sn-mul *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.sn-mul .toggle {
  display: none;
}

.sn-mul .overlay {
  display: none;
}

.sn-mul .sidebar {
  width: 280px;
  margin: 14px;
  border-radius: 22px;
  background: var(--sn-mul-panel);
  border: 1px solid var(--sn-mul-line);
  height: calc(100% - 28px);
  display: flex;
  flex-direction: column;
  box-shadow: 0 18px 50px -28px rgba(28,36,56,.4);
  z-index: 30;
  flex-shrink: 0;
}

.sn-mul .brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 1.4rem 1.4rem 1rem;
}

.sn-mul .logo {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--sn-mul-ink);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
}

.sn-mul .brand b {
  font-size: 1.12rem;
  letter-spacing: -.02em;
}

.sn-mul .brand small {
  display: block;
  color: var(--sn-mul-muted);
  font-size: .72rem;
  font-weight: 600;
}

.sn-mul .search {
  margin: 0 1.1rem 0.6rem;
  display: flex;
  align-items: center;
  gap: .5rem;
  background: var(--sn-mul-bg);
  border-radius: 11px;
  padding: .55rem .8rem;
}

.sn-mul .search svg {
  width: 16px;
  height: 16px;
  stroke: var(--sn-mul-muted);
  flex-shrink: 0;
}

.sn-mul .search input {
  border: none;
  background: none;
  outline: none;
  font: inherit;
  font-size: .85rem;
  color: var(--sn-mul-txt);
  width: 100%;
}

.sn-mul .nav {
  padding: .6rem 1rem 1rem;
  flex: 1;
  overflow-y: auto;
}

.sn-mul .cap {
  font-size: .66rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--sn-mul-muted);
  font-weight: 700;
  padding: .9rem .7rem .35rem;
}

.sn-mul .item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .62rem .8rem;
  border-radius: 11px;
  color: var(--sn-mul-txt);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: .16s;
}

.sn-mul .item svg {
  width: 19px;
  height: 19px;
  stroke-width: 1.9;
  color: var(--sn-mul-muted);
  flex-shrink: 0;
}

.sn-mul .item:hover {
  background: var(--sn-mul-bg);
}

.sn-mul .item.active {
  background: var(--sn-mul-accent-soft);
  color: var(--sn-mul-accent);
}

.sn-mul .item.active svg {
  color: var(--sn-mul-accent);
}

.sn-mul .chev {
  margin-left: auto;
  width: 15px !important;
  height: 15px !important;
  transition: transform .25s;
}

.sn-mul .tag {
  margin-left: auto;
  font-size: .66rem;
  font-weight: 700;
  background: var(--sn-mul-teal);
  color: #fff;
  padding: .12rem .42rem;
  border-radius: 20px;
}

.sn-mul .t {
  display: none;
}

.sn-mul .sub {
  max-height: 0;
  overflow: hidden;
  transition: max-height .32s ease;
}

.sn-mul .sub-l1 {
  margin: .15rem 0 .15rem 1.6rem;
  border-left: 1.5px solid var(--sn-mul-line);
  padding-left: .5rem;
}

.sn-mul .sub-l1 .item {
  font-weight: 500;
  font-size: .86rem;
  color: var(--sn-mul-muted);
}

.sn-mul .sub-l1 .item:hover {
  color: var(--sn-mul-txt);
}

.sn-mul .sub-l2 {
  margin-left: 1.4rem;
  border-left: 1.5px solid var(--sn-mul-line);
  padding-left: .5rem;
}

.sn-mul .sub-l2 a {
  display: block;
  padding: .42rem .7rem;
  font-size: .82rem;
  color: var(--sn-mul-muted);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
}

.sn-mul .sub-l2 a:hover {
  color: var(--sn-mul-accent);
  background: var(--sn-mul-bg);
}

.sn-mul .t:checked + .item .chev {
  transform: rotate(90deg);
}

.sn-mul #sn-mul-m1:checked ~ .sub-l1 {
  max-height: 360px;
}

.sn-mul #sn-mul-m2:checked ~ .sub-l2 {
  max-height: 200px;
}

.sn-mul #sn-mul-m3:checked ~ .sub-l1 {
  max-height: 300px;
}

.sn-mul .foot {
  padding: .9rem 1.1rem;
  border-top: 1px solid var(--sn-mul-line);
  display: flex;
  align-items: center;
  gap: .7rem;
}

.sn-mul .av {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: linear-gradient(135deg, #3b5bdb, #0ca678);
}

.sn-mul .foot b {
  font-size: .85rem;
}

.sn-mul .foot small {
  display: block;
  color: var(--sn-mul-muted);
  font-size: .72rem;
}

.sn-mul .mainpane {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-y: auto;
}

.sn-mul .top {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.6rem 2rem 0;
}

.sn-mul .mbtn {
  display: none;
  background: var(--sn-mul-panel);
  border: 1px solid var(--sn-mul-line);
  border-radius: 10px;
  padding: .45rem;
  cursor: pointer;
}

.sn-mul .mbtn svg {
  width: 20px;
  height: 20px;
  stroke: var(--sn-mul-txt);
}

.sn-mul .top h1 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -.03em;
}

.sn-mul .top p {
  color: var(--sn-mul-muted);
  font-size: .85rem;
}

.sn-mul .grid {
  padding: 1.6rem 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.1rem;
}

.sn-mul .c {
  background: var(--sn-mul-panel);
  border: 1px solid var(--sn-mul-line);
  border-radius: 18px;
  padding: 1.5rem;
  box-shadow: 0 12px 36px -28px rgba(28,36,56,.5);
}

.sn-mul .c .k {
  color: var(--sn-mul-muted);
  font-size: .8rem;
  font-weight: 600;
}

.sn-mul .c .v {
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -.03em;
  margin-top: .3rem;
}

@media (max-width: 900px) {
  .sn-mul .sidebar {
    position: absolute;
    left: 0;
    top: 0;
    margin: 0;
    border-radius: 0 22px 22px 0;
    height: 100%;
    transform: translateX(-105%);
    transition: transform .35s;
  }

  .sn-mul .toggle:checked ~ .sidebar {
    transform: translateX(0);
  }

  .sn-mul .toggle:checked ~ .overlay {
    display: block;
    position: absolute;
    inset: 0;
    background: rgba(11,16,32,.35);
    z-index: 20;
  }

  .sn-mul .mbtn {
    display: grid;
    place-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sn-mul .sub,
    .sn-mul .chev,
    .sn-mul .sidebar {
    transition: none;
  }
}
Paste this into ChatGPT, Claude, Cursor, or any coding assistant. The block below is pre-framed with everything the AI needs to integrate this demo into your project — markup, styles, scoping notes, and the source URL. Hit Copy and paste straight into your chat.
Here's a working CSS Sidebar Navigation Design from CodeFronts. Use it as-is or adapt to your framework. All classes are scoped under a unique prefix so the code won't collide with your existing styles. MIT licensed.
Demo: Multi-Level Vertical Sidebar Menu Template in HTML/CSS
Source: https://codefronts.com/navigation/css-sidebar-navigation/multi-level-vertical-sidebar-menu-template-in-html-css/

Light, glassy enterprise CRM with a rounded floating panel and soft shadows (Plus Jakarta Sans). Demonstrates true nested vertical navigation in CSS — submenus that contain their own nested sub-submenus (two tiers deep) — plus search, badges, and a mobile drawer. Best for enterprise SaaS, CRMs, project management tools, design systems whose navigation has genuine three-tier information architecture.
## HTML
```html
<section class="sn-mul" aria-label="Multi-level sidebar template demo">
  <input type="checkbox" id="sn-mul-d" class="toggle" aria-label="Toggle CRM navigation">
  <aside class="sidebar" aria-label="CRM navigation">
    <div class="brand">
      <div class="logo" aria-hidden="true">N</div>
      <div><b>Northwind</b><small>Sales CRM</small></div>
    </div>
    <div class="search">
      <svg viewBox="0 0 24 24" fill="none" aria-hidden="true"><circle cx="11" cy="11" r="8"/><path d="M21 21l-4.3-4.3"/></svg>
      <input type="search" placeholder="Search…" aria-label="Search CRM">
    </div>
    <nav class="nav">
      <div class="cap">Workspace</div>
      <a class="item active" href="#"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><rect x="3" y="3" width="7" height="9"/><rect x="14" y="3" width="7" height="5"/><rect x="14" y="12" width="7" height="9"/><rect x="3" y="16" width="7" height="5"/></svg>Overview</a>

      <input type="checkbox" id="sn-mul-m1" class="t" checked>
      <label class="item" for="sn-mul-m1"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><circle cx="9" cy="7" r="4"/><path d="M3 21v-2a4 4 0 014-4h4a4 4 0 014 4v2M17 11l2 2 4-4"/></svg>Contacts<svg class="chev" viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><path d="M9 18l6-6-6-6" stroke-width="2.2"/></svg></label>
      <div class="sub sub-l1">
        <a class="item" href="#">All People</a>
        <a class="item" href="#">Companies</a>
        <input type="checkbox" id="sn-mul-m2" class="t">
        <label class="item" for="sn-mul-m2">Lists<svg class="chev" viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><path d="M9 18l6-6-6-6" stroke-width="2.2"/></svg></label>
        <div class="sub sub-l2">
          <a href="#">Hot Leads</a>
          <a href="#">VIP Accounts</a>
          <a href="#">Newsletter</a>
        </div>
        <a class="item" href="#">Segments</a>
      </div>

      <input type="checkbox" id="sn-mul-m3" class="t">
      <label class="item" for="sn-mul-m3"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><path d="M20 12V8H6a2 2 0 01-2-2c0-1.1.9-2 2-2h12v4"/><path d="M4 6v12a2 2 0 002 2h14v-4"/></svg>Deals<svg class="chev" viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><path d="M9 18l6-6-6-6" stroke-width="2.2"/></svg></label>
      <div class="sub sub-l1">
        <a class="item" href="#">Pipeline</a>
        <a class="item" href="#">Forecast</a>
        <a class="item" href="#">Closed Won</a>
      </div>

      <a class="item" href="#"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><path d="M22 12h-4l-3 9L9 3l-3 9H2"/></svg>Activity<span class="tag">9</span></a>

      <div class="cap">System</div>
      <a class="item" href="#"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" aria-hidden="true"><circle cx="12" cy="12" r="3"/><path d="M19.4 15a1.65 1.65 0 00.33 1.82l.06.06a2 2 0 01-2.83 2.83l-.06-.06a1.65 1.65 0 00-2.82 1.17V21a2 2 0 01-4 0v-.09A1.65 1.65 0 007 19.4a1.65 1.65 0 00-1.82.33l-.06.06a2 2 0 11-2.83-2.83l.06-.06A1.65 1.65 0 004.6 14H4.5a2 2 0 010-4h.09A1.65 1.65 0 006 8.6"/></svg>Settings</a>
    </nav>
    <div class="foot">
      <div class="av" aria-hidden="true"></div>
      <div><b>Maya Chen</b><small>Sales Lead</small></div>
    </div>
  </aside>
  <label for="sn-mul-d" class="overlay" aria-hidden="true"></label>

  <div class="mainpane">
    <div class="top">
      <label for="sn-mul-d" class="mbtn" aria-label="Open navigation">
        <svg viewBox="0 0 24 24" fill="none" aria-hidden="true"><path d="M4 6h16M4 12h16M4 18h16" stroke-width="2" stroke-linecap="round"/></svg>
      </label>
      <div><h1>Overview</h1><p>Multi-level expandable navigation — up to two nested tiers.</p></div>
    </div>
    <div class="grid">
      <div class="c"><div class="k">Open Deals</div><div class="v">142</div></div>
      <div class="c"><div class="k">Pipeline Value</div><div class="v">$1.8M</div></div>
      <div class="c"><div class="k">Win Rate</div><div class="v">31%</div></div>
    </div>
  </div>
</section>
```
## CSS
```css
/* ─── 05 Multi-Level Sidebar Template — light CRM ──────────── */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

.sn-mul {
  --sn-mul-bg: #eef1f7;
  --sn-mul-panel: #ffffff;
  --sn-mul-line: #e6e9f2;
  --sn-mul-txt: #1c2438;
  --sn-mul-muted: #8089a0;
  --sn-mul-ink: #0b1020;
  --sn-mul-accent: #3b5bdb;
  --sn-mul-accent-soft: #eaeeff;
  --sn-mul-teal: #0ca678;
  position: relative;
  width: 100%;
  height: 600px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  background: radial-gradient(600px 400px at 100% 0%, rgba(59,91,219,.06), transparent), var(--sn-mul-bg);
  color: var(--sn-mul-txt);
  display: flex;
  overflow: hidden;
  box-sizing: border-box;
}

.sn-mul *,
.sn-mul *::before,
.sn-mul *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.sn-mul .toggle {
  display: none;
}

.sn-mul .overlay {
  display: none;
}

.sn-mul .sidebar {
  width: 280px;
  margin: 14px;
  border-radius: 22px;
  background: var(--sn-mul-panel);
  border: 1px solid var(--sn-mul-line);
  height: calc(100% - 28px);
  display: flex;
  flex-direction: column;
  box-shadow: 0 18px 50px -28px rgba(28,36,56,.4);
  z-index: 30;
  flex-shrink: 0;
}

.sn-mul .brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 1.4rem 1.4rem 1rem;
}

.sn-mul .logo {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--sn-mul-ink);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
}

.sn-mul .brand b {
  font-size: 1.12rem;
  letter-spacing: -.02em;
}

.sn-mul .brand small {
  display: block;
  color: var(--sn-mul-muted);
  font-size: .72rem;
  font-weight: 600;
}

.sn-mul .search {
  margin: 0 1.1rem 0.6rem;
  display: flex;
  align-items: center;
  gap: .5rem;
  background: var(--sn-mul-bg);
  border-radius: 11px;
  padding: .55rem .8rem;
}

.sn-mul .search svg {
  width: 16px;
  height: 16px;
  stroke: var(--sn-mul-muted);
  flex-shrink: 0;
}

.sn-mul .search input {
  border: none;
  background: none;
  outline: none;
  font: inherit;
  font-size: .85rem;
  color: var(--sn-mul-txt);
  width: 100%;
}

.sn-mul .nav {
  padding: .6rem 1rem 1rem;
  flex: 1;
  overflow-y: auto;
}

.sn-mul .cap {
  font-size: .66rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--sn-mul-muted);
  font-weight: 700;
  padding: .9rem .7rem .35rem;
}

.sn-mul .item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .62rem .8rem;
  border-radius: 11px;
  color: var(--sn-mul-txt);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: .16s;
}

.sn-mul .item svg {
  width: 19px;
  height: 19px;
  stroke-width: 1.9;
  color: var(--sn-mul-muted);
  flex-shrink: 0;
}

.sn-mul .item:hover {
  background: var(--sn-mul-bg);
}

.sn-mul .item.active {
  background: var(--sn-mul-accent-soft);
  color: var(--sn-mul-accent);
}

.sn-mul .item.active svg {
  color: var(--sn-mul-accent);
}

.sn-mul .chev {
  margin-left: auto;
  width: 15px !important;
  height: 15px !important;
  transition: transform .25s;
}

.sn-mul .tag {
  margin-left: auto;
  font-size: .66rem;
  font-weight: 700;
  background: var(--sn-mul-teal);
  color: #fff;
  padding: .12rem .42rem;
  border-radius: 20px;
}

.sn-mul .t {
  display: none;
}

.sn-mul .sub {
  max-height: 0;
  overflow: hidden;
  transition: max-height .32s ease;
}

.sn-mul .sub-l1 {
  margin: .15rem 0 .15rem 1.6rem;
  border-left: 1.5px solid var(--sn-mul-line);
  padding-left: .5rem;
}

.sn-mul .sub-l1 .item {
  font-weight: 500;
  font-size: .86rem;
  color: var(--sn-mul-muted);
}

.sn-mul .sub-l1 .item:hover {
  color: var(--sn-mul-txt);
}

.sn-mul .sub-l2 {
  margin-left: 1.4rem;
  border-left: 1.5px solid var(--sn-mul-line);
  padding-left: .5rem;
}

.sn-mul .sub-l2 a {
  display: block;
  padding: .42rem .7rem;
  font-size: .82rem;
  color: var(--sn-mul-muted);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
}

.sn-mul .sub-l2 a:hover {
  color: var(--sn-mul-accent);
  background: var(--sn-mul-bg);
}

.sn-mul .t:checked + .item .chev {
  transform: rotate(90deg);
}

.sn-mul #sn-mul-m1:checked ~ .sub-l1 {
  max-height: 360px;
}

.sn-mul #sn-mul-m2:checked ~ .sub-l2 {
  max-height: 200px;
}

.sn-mul #sn-mul-m3:checked ~ .sub-l1 {
  max-height: 300px;
}

.sn-mul .foot {
  padding: .9rem 1.1rem;
  border-top: 1px solid var(--sn-mul-line);
  display: flex;
  align-items: center;
  gap: .7rem;
}

.sn-mul .av {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: linear-gradient(135deg, #3b5bdb, #0ca678);
}

.sn-mul .foot b {
  font-size: .85rem;
}

.sn-mul .foot small {
  display: block;
  color: var(--sn-mul-muted);
  font-size: .72rem;
}

.sn-mul .mainpane {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-y: auto;
}

.sn-mul .top {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.6rem 2rem 0;
}

.sn-mul .mbtn {
  display: none;
  background: var(--sn-mul-panel);
  border: 1px solid var(--sn-mul-line);
  border-radius: 10px;
  padding: .45rem;
  cursor: pointer;
}

.sn-mul .mbtn svg {
  width: 20px;
  height: 20px;
  stroke: var(--sn-mul-txt);
}

.sn-mul .top h1 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -.03em;
}

.sn-mul .top p {
  color: var(--sn-mul-muted);
  font-size: .85rem;
}

.sn-mul .grid {
  padding: 1.6rem 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.1rem;
}

.sn-mul .c {
  background: var(--sn-mul-panel);
  border: 1px solid var(--sn-mul-line);
  border-radius: 18px;
  padding: 1.5rem;
  box-shadow: 0 12px 36px -28px rgba(28,36,56,.5);
}

.sn-mul .c .k {
  color: var(--sn-mul-muted);
  font-size: .8rem;
  font-weight: 600;
}

.sn-mul .c .v {
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -.03em;
  margin-top: .3rem;
}

@media (max-width: 900px) {
  .sn-mul .sidebar {
    position: absolute;
    left: 0;
    top: 0;
    margin: 0;
    border-radius: 0 22px 22px 0;
    height: 100%;
    transform: translateX(-105%);
    transition: transform .35s;
  }

  .sn-mul .toggle:checked ~ .sidebar {
    transform: translateX(0);
  }

  .sn-mul .toggle:checked ~ .overlay {
    display: block;
    position: absolute;
    inset: 0;
    background: rgba(11,16,32,.35);
    z-index: 20;
  }

  .sn-mul .mbtn {
    display: grid;
    place-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sn-mul .sub,
    .sn-mul .chev,
    .sn-mul .sidebar {
    transition: none;
  }
}
```

Techniques used in this demo

radial-gradient()MDN ↗grid-templateMDN ↗place-items / place-contentMDN ↗

Search CodeFronts

Loading…

↑↓ navigate↵ selectesc closeOpen full search page →