Gwecode.
Navigation

Tabbed Navigation

A row of clickable tabs that swap the visible content panel below using a small script and active classes.

live preview 
<div class="tabnav-wrap">
  <div class="tabnav-list">
    <button class="tabnav-tab tabnav-active" data-tab="overview">Overview</button>
    <button class="tabnav-tab" data-tab="pricing">Pricing</button>
    <button class="tabnav-tab" data-tab="reviews">Reviews</button>
  </div>
  <div class="tabnav-panels">
    <div class="tabnav-panel tabnav-panel-active" data-panel="overview">This is the overview panel with a short summary of the product and what it does.</div>
    <div class="tabnav-panel" data-panel="pricing">Pricing details would appear here, including the available plans and their costs.</div>
    <div class="tabnav-panel" data-panel="reviews">Customer reviews and star ratings would be listed inside this panel.</div>
  </div>
</div>
.tabnav-wrap {
  box-sizing: border-box;
  width: 340px;
  background-color: #ffffff;
  font-family: system-ui, -apple-system, sans-serif;
}
.tabnav-list {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid #e5e7eb;
}
.tabnav-tab {
  background: none;
  border: none;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  color: #6b7280;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.tabnav-tab:hover {
  color: #3b82f6;
}
.tabnav-active {
  color: #3b82f6;
  border-bottom-color: #3b82f6;
}
.tabnav-panel {
  display: none;
  padding: 18px 4px;
  font-size: 13px;
  line-height: 1.6;
  color: #374151;
}
.tabnav-panel-active {
  display: block;
}
var tabnavTabs = document.querySelectorAll('.tabnav-tab');
var tabnavPanels = document.querySelectorAll('.tabnav-panel');
tabnavTabs.forEach(function (tab) {
  tab.addEventListener('click', function () {
    tabnavTabs.forEach(function (t) { t.classList.remove('tabnav-active'); });
    tabnavPanels.forEach(function (p) { p.classList.remove('tabnav-panel-active'); });
    tab.classList.add('tabnav-active');
    var name = tab.getAttribute('data-tab');
    var panel = document.querySelector('.tabnav-panel[data-panel="' + name + '"]');
    if (panel) { panel.classList.add('tabnav-panel-active'); }
  });
});