16 CSS Mobile Navigation Patterns 02 / 16

Full-Screen Overlay Navigation

An editorial full-screen nav that expands via a circular clip-path reveal from the top-right corner.

Pure CSS MIT licensed
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The code

<div class="mn-02">
  <input type="checkbox" id="mn-02-toggle">
  <label class="mn-02__btn" for="mn-02-toggle">
    <div class="mn-02__btn-lines">
      <span></span><span></span><span></span>
    </div>
  </label>
  <div class="mn-02__overlay">
    <span class="mn-02__overlay-label">Navigation</span>
    <ul class="mn-02__overlay-links">
      <li><a href="#"><span class="num">01</span> Work</a></li>
      <li><a href="#"><span class="num">02</span> About</a></li>
      <li><a href="#"><span class="num">03</span> Services</a></li>
      <li><a href="#"><span class="num">04</span> Journal</a></li>
      <li><a href="#"><span class="num">05</span> Contact</a></li>
    </ul>
    <div class="mn-02__overlay-footer">
      <a href="#">Twitter</a>
      <a href="#">Instagram</a>
      <a href="#">Dribbble</a>
    </div>
  </div>
  <div class="mn-02__page">
    <div class="mn-02__header">
      <div class="mn-02__logo">Studio<span>.</span></div>
    </div>
    <div class="mn-02__hero">
      <div class="mn-02__eyebrow">Creative Agency</div>
      <h1>We craft digital experiences</h1>
      <p>Award-winning design studio specializing in brand identity and digital products.</p>
      <a href="#" class="mn-02__cta">View Our Work →</a>
    </div>
  </div>
</div>
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: #0f0f13; font-family: 'Segoe UI', sans-serif; }

.mn-02 {
  --bg: #f7f3ee;
  --overlay-bg: #1c1917;
  --accent: #d97706;
  --text-dark: #1c1917;
  --text-light: #f7f3ee;
  --muted: #78716c;
  width: 375px;
  height: 667px;
  position: relative;
  overflow: hidden;
  background: var(--bg);
  border-radius: 32px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
}

.mn-02 #mn-02-toggle { display: none; }

/* Overlay panel */
.mn-02__overlay {
  position: absolute;
  inset: 0;
  background: var(--overlay-bg);
  z-index: 20;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px 36px;
  clip-path: circle(0% at calc(100% - 36px) 36px);
  transition: clip-path 0.6s cubic-bezier(0.77, 0, 0.175, 1);
}
.mn-02 #mn-02-toggle:checked ~ .mn-02__overlay {
  clip-path: circle(150% at calc(100% - 36px) 36px);
}

.mn-02__overlay-links {
  list-style: none;
  margin-top: 40px;
}
.mn-02__overlay-links li {
  overflow: hidden;
  margin-bottom: 4px;
}
.mn-02__overlay-links a {
  display: flex;
  align-items: baseline;
  gap: 16px;
  color: var(--text-light);
  text-decoration: none;
  font-size: 38px;
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.2;
  padding: 8px 0;
  transition: color 0.2s;
  transform: translateY(100%);
  opacity: 0;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.5s, color 0.2s;
}
.mn-02__overlay-links a:hover { color: var(--accent); }
.mn-02__overlay-links a .num {
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0;
  min-width: 28px;
}
.mn-02 #mn-02-toggle:checked ~ .mn-02__overlay .mn-02__overlay-links a {
  transform: translateY(0);
  opacity: 1;
}
.mn-02 #mn-02-toggle:checked ~ .mn-02__overlay .mn-02__overlay-links li:nth-child(1) a { transition-delay: 0.15s; }
.mn-02 #mn-02-toggle:checked ~ .mn-02__overlay .mn-02__overlay-links li:nth-child(2) a { transition-delay: 0.22s; }
.mn-02 #mn-02-toggle:checked ~ .mn-02__overlay .mn-02__overlay-links li:nth-child(3) a { transition-delay: 0.29s; }
.mn-02 #mn-02-toggle:checked ~ .mn-02__overlay .mn-02__overlay-links li:nth-child(4) a { transition-delay: 0.36s; }
.mn-02 #mn-02-toggle:checked ~ .mn-02__overlay .mn-02__overlay-links li:nth-child(5) a { transition-delay: 0.43s; }

.mn-02__overlay-footer {
  margin-top: 48px;
  display: flex;
  gap: 24px;
}
.mn-02__overlay-footer a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s;
}
.mn-02__overlay-footer a:hover { color: var(--text-light); }

/* Close / hamburger button */
.mn-02__btn {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 30;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--overlay-bg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mn-02 #mn-02-toggle:checked ~ .mn-02__btn {
  background: rgba(255,255,255,0.1);
}
.mn-02__btn-lines {
  width: 22px;
  height: 14px;
  position: relative;
}
.mn-02__btn-lines span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
}
.mn-02__btn-lines span:nth-child(1) { top: 0; }
.mn-02__btn-lines span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.mn-02__btn-lines span:nth-child(3) { bottom: 0; }
.mn-02 #mn-02-toggle:checked ~ .mn-02__btn .mn-02__btn-lines span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
.mn-02 #mn-02-toggle:checked ~ .mn-02__btn .mn-02__btn-lines span:nth-child(2) { opacity: 0; }
.mn-02 #mn-02-toggle:checked ~ .mn-02__btn .mn-02__btn-lines span:nth-child(3) { bottom: 50%; transform: translateY(50%) rotate(-45deg); }

.mn-02__overlay-label { color: rgba(255,255,255,0.3); font-size: 11px; letter-spacing: 2px; text-transform: uppercase; }

/* Page */
.mn-02__page {
  padding: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.mn-02__header {
  padding: 24px 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mn-02__logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-dark);
  letter-spacing: -0.5px;
}
.mn-02__logo span { color: var(--accent); }
.mn-02__hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 32px 24px;
}
.mn-02__eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.mn-02__hero h1 {
  font-size: 38px;
  font-weight: 800;
  color: var(--text-dark);
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 16px;
}
.mn-02__hero p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 280px;
}
.mn-02__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  background: var(--text-dark);
  color: var(--text-light);
  font-size: 14px;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 100px;
  text-decoration: none;
  width: fit-content;
}

@media (prefers-reduced-motion: reduce) {
  .mn-02__overlay, .mn-02__overlay-links a, .mn-02__btn-lines span { transition: none; }
}

How this works

The overlay starts as clip-path: circle(0% at calc(100% - 36px) 36px) — a zero-radius circle anchored at the hamburger button position. When the checkbox is checked, the sibling selector transitions it to circle(150% at ...), which is large enough to cover the full viewport. The cubic-bezier(0.77, 0, 0.175, 1) easing gives a fast start that slows into place.

Link entrance uses transform: translateY(100%) plus opacity: 0 as default, with overflow: hidden on each li acting as a clip mask. On :checked, each a transitions to translateY(0) with incremental transition-delay per nth-child, creating a natural cascade.

Customize

  • Move the reveal origin by changing the at calc(100% - 36px) 36px coordinates in clip-path: circle(...) — set to at 50% 50% for a centre burst.
  • Speed up the expand by reducing the 0.6s duration on .mn-02__overlay transition — also tighten the per-link transition-delay increments from 0.07s to 0.04s.
  • Change font size of the big nav links by editing font-size: 38px on .mn-02__overlay-links a — scale down for more than five items.
  • Add a background texture or image to the overlay by setting background-image on .mn-02__overlay in addition to the dark background colour.
  • Swap the stagger direction by changing translateY(100%) to translateX(-40px) on hidden links for a horizontal slide-in instead of vertical.

Watch out for

  • clip-path: circle() animates smoothly in Chrome and Firefox but can stutter on Safari for large radius values — test on real devices and consider a simpler opacity fallback.
  • The hamburger and close button share the same <label> element positioned above the overlay via z-index: 30; if the overlay captures pointer events the button becomes unreachable.
  • Setting overflow: hidden on each li to mask link entrance means links that wrap to two lines will be clipped — keep link text short or remove the overflow clip.

Browser support

ChromeSafariFirefoxEdge
55+ 13.1+ 54+ 55+

clip-path circle() animation is supported broadly but transitions can be janky in Safari below 13 — add a prefers-reduced-motion fallback.

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