'link' — Dropdown Css

.dropdown__menu li a display: block; padding: 0.5rem 1rem; color: #1e293b; text-decoration: none; transition: background 0.15s;

.dropdown:hover .dropdown__menu, .dropdown:focus-within .dropdown__menu, .dropdown__menu:hover opacity: 1; visibility: visible; transform: translateY(0); dropdown css

<div class="dropdown"> <button class="dropdown__trigger" aria-expanded="false" aria-haspopup="true"> Menu <span class="dropdown__arrow">▼</span> </button> <ul class="dropdown__menu" role="menu"> <li role="menuitem"><a href="#">Profile</a></li> <li role="menuitem"><a href="#">Settings</a></li> <li role="menuitem"><a href="#">Logout</a></li> </ul> </div> .dropdown position: relative; display: inline-block; This paper presents a CSS-only approach to building

:focus-within keeps the dropdown open when tabbing into menu items, enabling full keyboard accessibility. 4. Arrow Rotation & State .dropdown[data-open="true"] .dropdown__arrow transform: rotate(180deg); .dropdown__menu li a:hover

Abstract Dropdown menus remain a critical UI component for navigation and form inputs. This paper presents a CSS-only approach to building accessible, responsive, and visually consistent dropdowns without JavaScript, leveraging pseudo-classes, transitions, and the :focus-within selector. 1. HTML Structure A semantic foundation ensures accessibility and styling hooks.

.dropdown__menu li a:hover, .dropdown__menu li a:focus-visible background-color: #f1f5f9; outline: none;

(JavaScript can toggle data-open ; CSS-only arrow change requires :focus-within plus sibling selectors — omitted for brevity.) For mobile, convert absolute positioning to full-width block: