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                <div class="main">
  <div class="article">
    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ipsum nesciunt sunt vitae earum quas sapiente. Cumque est, itaque non. Molestias laboriosam qui, ea sapiente incidunt tempore suscipit dolorem. Impedit nemo ab doloribus sapiente velit eaque voluptas officiis delectus. Necessitatibus rem omnis optio porro similique, dignissimos amet ullam temporibus quibusdam suscipit.
  Lorem ipsum dolor sit amet, consectetur adipisicing elit. Error debitis ad asperiores assumenda a quia, temporibus at vitae provident blanditiis ex. Eum, quasi, non a quae molestias quos voluptatibus atque mollitia dolorem neque, accusantium. Voluptates nesciunt maxime hic cum quas perferendis neque voluptas eum sed odit, incidunt, eius aperiam repellendus!    
  <button id="show">show</button>


  max-width: 500px
  margin: 15px auto
  background-color: lightblue
  padding: 5px 10px
    height: 100px
    overflow: hidden
    margin-bottom: 10px
    transition: all .4s
    padding-bottom: 10px

  height: auto !important


                $("#show").click(function() {
Why did the programmer quit her job? She didn't get arrays.