<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <style type="text/css">
        body {
            padding: 0 .5em;
            max-width: 550px;
            margin: 0 auto;
            font-family: sans-serif;
            font-size: 18px;
            line-height: 1.4;
        }

        img {
            max-width: 100%;
            vertical-align: middle;
            transition: filter 0.3s;
            margin-bottom: 2