<h1>Acordeón</h1>
  <div class="acordeon">
    <div class="acordeon-cabecera">Cabecera 1</div>
    <div class="acordeon-contenido">Lorem ipsum dolor sit amet consectetur adipiscing elit, id nibh nulla enim dis tempor. Eu ultrices interdum vivamus.</div>
    <div class="acordeon-cabecera">Cabecera 2</div>
    <div class="acordeon-contenido">Ultrices enim potenti hac proin egestas imperdiet placerat luctus sem sapien et sed, ante conubia malesuada.</div>
    <div class="acordeon-cabecera">Cabecera 3</div>
    <div class="acordeon-contenido">Dis tempor blandit convallis morbi dictumst tempus non fermentum, ligula suscipit curabitur tellus at dignissim orci.</div>
</div>
html {
	min-height: 100%;
	font-family: 'Nunito', sans-serif;
}

body {
	background: #7db4fc;
	line-height: 1.5;
}

h1 {
	font-weight: 200;
	font-size: 3rem;
	color: white;
	text-align: center;
}

.acordeon {
	max-width: 400px;
	background: white;
	margin: 0 auto;
  box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
}

.acordeon-cabecera {
	border-bottom: 1px solid #DDE0E7;
	color: #222222;
	cursor: pointer;
	font-weight: 600;
	padding: 1.5rem;
  background:#f6f7f9;
}

.acordeon-cabecera:hover {
	background: #fdf8d7;
}

.acordeon-cabecera.active {
	background-color: #fdf8d7;
}

.acordeon-contenido {
	display: none;
	border-bottom: 1px solid #DDE0E7;
	background: #fff;
	padding: 1.4rem;
	color: #4a5666;
}
$(".acordeon").on("click", ".acordeon-cabecera", function() {
  $(this).toggleClass("active").next().slideToggle();
});

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.0/jquery.min.js