HTML | youtube_top_nav

<nav id="youtube_top_nav">

			<div class="youtube_top_wrap flex_align_between">

				<div class="nav_left flex_align_start">
					<button class="btn_menu" type="button"></button>
					<h1><a href="#"><img src="https://via.placeholder.com/90x20"></a></h1>
				</div>

				<div class="nav_center flex_align_start">
					<div class="search_wrap flex_align_start">
						<input type="text" placeholder="검색" >
						<button class="btn_search" type="button"></button>
					</div>
					<button class="btn_voice" type="button"></button>
				</div>

				<div class="nav_right flex_align_end">
					<button type="button" class="btn_menu btn_menu_1"></button>
					<button type="button" class="btn_menu btn_menu_2"></button>
					<a href="#" class="btn_login">로그인</a>


				</div>
			</div>
		</nav>