JSFiddle - React, Tailwind, and code Playground

HTML

<ul class="capbFilterAttributes">
					<li class="capbActive">
						<span>Active</span>
						<span class="capbCurrentFilter">All</span>
						
					</li>
					<li class="capbState">
						<span>State</span>
						<span class="capbCurrentFilter">All</span>
					</li>
					<li class="capbStrategicPlan">
						<span>Strategic Plan</span>
						<span class="capbCurrentFilter">All</span>

						<div class="capbIpadPopupAutoComplete capbShowResults">
							<span class="capbTriangleRight"></span>
							<header>
								<h2>Header</h2>
								<div class="capbAutocomplete">
									<input type="text" class="capbAutocompleteInput" data-role="none" placeholder="Type To Search">
								</div>
							</header>

							
						</div>

					</li>
					<li class="capbType">
						<span>Type</span>
						<span class="capbCurrentFilter">All</span>
					</li>
					<li class="capbManager">
						<span>Manager</span>
						<span class="capbCurrentFilter">All</span>
					</li>
				</ul>

CSS

ul{
    position: absolute;
    right: 0;
    top: 5px;
}
li{
    position: relative;
    list-style-type: none;
    border: 1px solid #000;
}
.capbIpadPopupAutoComplete{
    position: absolute;
    right: 120px;
    top: -25px;
    background: #000;
    color: #fff;
    height: 200px;
}

.capbTriangleRight{
	position: absolute;
	width: 0;
	height: 0;
	border-left: 30px solid #000;
	border-top: 25px solid transparent;
	border-bottom: 25px solid transparent;
    right: -30px;
    top: 30px;
}

span{
    display: block;
}