*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  margin: 0;
  background: url("https://placehold.co/1920x1080/0f172a/1e293b?text=Abstract+Colors") center/cover no-repeat;
  display: flex;
  justify-content: center;
  padding-top: 100px;
  min-height: 100vh;
}

.nav-system {
  position: relative;
}

.menu-trigger {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.menu-trigger:hover {
  background: rgba(255, 255, 255, 0.2);
}

.glass-dropdown {
  position: absolute;
  top: 60px;
  left: 0;
  width: 320px;
  /* Container establishes the window frame */
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}

.glass-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.panel-container {
  display: flex;
  width: 200%;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.panel-container.shifted {
  transform: translateX(-50%);
}

.menu-panel {
  width: 50%;
  padding: 24px;
  flex-shrink: 0;
}

.panel-title {
  color: #94a3b8;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0 0 16px 0;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px;
  border-radius: 12px;
  cursor: pointer;
  color: #f8fafc;
  transition: background 0.2s;
  margin-bottom: 8px;
}

.menu-item:hover {
  background: rgba(255, 255, 255, 0.1);
}

.item-icon {
  width: 40px;
  height: 40px;
  background: rgba(59, 130, 246, 0.2);
  color: #3b82f6;
  border-radius: 8px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: 700;
  flex-shrink: 0;
}

.item-text h4 {
  margin: 0 0 4px 0;
  font-size: 1rem;
}

.item-text p {
  margin: 0;
  font-size: 0.85rem;
  color: #94a3b8;
}

.menu-item svg {
  margin-left: auto;
  color: #64748b;
}

.back-action {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #3b82f6;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  margin-bottom: 24px;
}

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Sliding Glassmorphism Dropdown Menu JS

Design a highly sophisticated Stripe-inspired sliding dropdown. When interacting, the inner content slides smoothly left and right within a beautiful frosted glass panel.

106

#javascript

#css

#dropdown

#menu

#glassmorphism

#slider

#navigation

#modern ui

#saas

/HTML *CSS ()JS Output Live Updates

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  margin: 0;
  background: url("https://placehold.co/1920x1080/0f172a/1e293b?text=Abstract+Colors") center/cover no-repeat;
  display: flex;
  justify-content: center;
  padding-top: 100px;
  min-height: 100vh;
}

.nav-system {
  position: relative;
}

.menu-trigger {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.menu-trigger:hover {
  background: rgba(255, 255, 255, 0.2);
}

.glass-dropdown {
  position: absolute;
  top: 60px;
  left: 0;
  width: 320px;
  /* Container establishes the window frame */
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}

.glass-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.panel-container {
  display: flex;
  width: 200%;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.panel-container.shifted {
  transform: translateX(-50%);
}

.menu-panel {
  width: 50%;
  padding: 24px;
  flex-shrink: 0;
}

.panel-title {
  color: #94a3b8;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0 0 16px 0;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px;
  border-radius: 12px;
  cursor: pointer;
  color: #f8fafc;
  transition: background 0.2s;
  margin-bottom: 8px;
}

.menu-item:hover {
  background: rgba(255, 255, 255, 0.1);
}

.item-icon {
  width: 40px;
  height: 40px;
  background: rgba(59, 130, 246, 0.2);
  color: #3b82f6;
  border-radius: 8px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: 700;
  flex-shrink: 0;
}

.item-text h4 {
  margin: 0 0 4px 0;
  font-size: 1rem;
}

.item-text p {
  margin: 0;
  font-size: 0.85rem;
  color: #94a3b8;
}

.menu-item svg {
  margin-left: auto;
  color: #64748b;
}

.back-action {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #3b82f6;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  margin-bottom: 24px;
}

<div class="nav-system">
  <button class="menu-trigger" id="menu-btn">Explore Features</button>
  
  <div class="glass-dropdown" id="dropdown-menu">
    <div class="panel-container" id="panel-container">
      
      
      <div class="menu-panel" id="panel-main">
        <h3 class="panel-title">Products</h3>
        <div class="menu-item nav-forward">
          <div class="item-icon">P</div>
          <div class="item-text">
            <h4>Payments</h4>
            <p>Accept transactions globally.</p>
          </div>
          <svg viewBox="0 0 24 24" width="16" height="16" fill="none" stroke="currentColor" stroke-width="2"><polyline points="9 18 15 12 9 6"></polyline></svg>
        </div>
        <div class="menu-item nav-forward">
          <div class="item-icon">B</div>
          <div class="item-text">
            <h4>Billing</h4>
            <p>Manage recurring subscriptions.</p>
          </div>
          <svg viewBox="0 0 24 24" width="16" height="16" fill="none" stroke="currentColor" stroke-width="2"><polyline points="9 18 15 12 9 6"></polyline></svg>
        </div>
      </div>
      
      
      <div class="menu-panel" id="panel-sub">
        <div class="back-action" id="nav-back">
          <svg viewBox="0 0 24 24" width="16" height="16" fill="none" stroke="currentColor" stroke-width="2"><polyline points="15 18 9 12 15 6"></polyline></svg>
          Back to Products
        </div>
        <h3 class="panel-title">Payments Details</h3>
        <div class="menu-item">
          <div class="item-text">
            <h4>Checkout</h4>
            <p>Pre-built conversion optimized pages.</p>
          </div>
        </div>
        <div class="menu-item">
          <div class="item-text">
            <h4>Elements</h4>
            <p>Customizable UI components.</p>
          </div>
        </div>
      </div>
      
    </div>
  </div>
</div>

Sliding Glassmorphism Dropdown Menu JS

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