<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
body {
margin: 0;
min-width: 250px;
}
* {
box-sizing: border-box;
}
ul {
margin: 0;
padding: 0;
}
ul li {
cursor: pointer;
position: relative;
padding: 12px 8px 12px 40px;
list-style-type: none;
background: #eee;
font-size: 18px;
transition: 0.2s;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
ul li:nth-child(odd) {
background: #f9f9f9;
}
ul li:hover {
background: #ddd;