style.css

html {
	box-sizing: border-box;
	background: #1a1a1d;
	font-family: 'helvetica neue';
	font-size: 20px;
	font-weight: 200;
}

*,
*:before,
*:after {
	box-sizing: inherit;
}

input {
	width: 100%;
	padding: 20px;
}

.search-form {
	max-width: 400px;
	margin: 50px auto;
}

input.search {
	margin: 0;
	text-align: center;
	outline: 0;
	border: 10px solid #f7f7f7;
	width: 120%;
	left: -10%;
	position: relative;
	top: 10px;
	z-index: 2;
	border-radius: 5px;
	font-size: 40px;
	box-shadow: 0 0 5px rgba(0, 0, 0, 0.12), inset 0 0 2px rgba(0, 0, 0, 0.19);
}

.suggestions {
	margin: 0;
	padding: 0;
	position: relative;
	/*perspective: 20px;*/
}

.suggestions li {
	background: white;
	list-style: none;
	border-bottom: 1px solid #d8d8d8;
	box-shadow: 0 0 10px rgba(0, 0, 0, 0.14);
	margin: 0;
	padding: 20px;
	transition: background 0.2s;
	display: flex;
	justify-content: space-between;
	text-transform: capitalize;
}

.suggestions li:nth-child(even) {
	transform: perspective(100px) rotateX(3deg) translateY(2px) scale(1.001);
	background: linear-gradient(to bottom, #ffffff 0%, #efefef 100%);
}

.suggestions li:nth-child(odd) {
	transform: perspective(100px) rotateX(-3deg) translateY(3px);
	background: linear-gradient(to top, #ffffff 0%, #efefef 100%);
}

span.population {
	font-size: 15px;
}

.hl {
	background: #ffc600;
}