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                <div class="container">
  <p class="element">
    هنر آینه‌ای نیست که با آن واقعیت‌ها را منعکس ساخت بلکه پتکی است که با آن باید واقعیت را شکل داد.

  <p class="element"></p>
  <p class="element">پایه و اساس مستحکم جهان بینی ما و میزان عمق و سطحی بودن آن در ایام کودکی شکل می گیرد. این دیدگاه در سالهای بعد تکامل می یابد، اما تغییر اساسی نمی کند.</p>

  <p class="element"></p>


                p.element:active {
  background-color: #ff0;

body {
    direction: rtl;
    background-color: #eee;
    color: #555;
    font-family: tahoma;
    line-height: 1.7;

.container {
    margin: 2em auto;
    max-width: 700px;
    padding: 1em;
    background-color: white;

.element {
    padding: 1em;
    margin: 1em;
    background-color: #f3f3f3;

p:empty {
  background-color: linen;
  padding: 15px;