Cerrar
<h1>
<p>
<!-- and end with a -->
<main>
<img>
<img alt="">
<img src="">
When <img alt=""> is ok?
<a>
<a href="">
<a href="#id">
<a target="">
<a target="_blank">
<a target="_self">
<a href="#">
<a href="link"><img src="https://bit.ly/fcc-running-cats" alt="Three kittens running towards the camera."></a>
<li>
<ol>
<ul>
<menu>
<input>
<input type="text">
<input type="text" placeholder="">
<form>
<form action="URL">
<button type="submit">
<input type="text" required>
<input type="radio">
<input type="radio" name="">
<input type="radio" value="">
<input type="radio" name="a" checked>
<div>
<head>
<body>
<figcaption>
<figure>
