.header{width:100%;border-bottom:1px solid #e1e1e1}.top-bar{display:flex;justify-content:space-between;align-items:center;background:rgba(0,0,0,0)!important}.logo{font-size:24px;font-weight:700}.search-bar{display:flex;flex-grow:1;margin:0 20px}.search-bar input{width:100%;padding:5px}.user-actions a{margin-left:20px;text-decoration:none;color:#000}.user-actions .cart{font-weight:700}.main-nav{background:#333}.main-nav ul{list-style:none;margin:0;padding:0;display:flex;justify-content:space-around}.main-nav ul li{position:relative}.main-nav a{display:block;padding:10px 15px;color:#fff;text-decoration:none}.main-nav .dropdown:hover .dropdown-content{display:flex}.dropdown-content{display:none;position:absolute;background:#fff;color:#000;top:100%;left:0;width:900px;border:1px solid #e1e1e1;z-index:1;box-shadow:0 2px 5px rgba(0,0,0,.1)}.dropdown-column{flex:1;padding:20px}.dropdown-column a{display:block;margin:5px 0;color:#000;text-decoration:none}