JSFiddle - React, Tailwind, and code Playground

by dife

HTML

<details>
  <summary> Capitulo 1</summary>
  Aqui é revelado algo quando clicado no título do capitulo.
</details>

CSS

details>summary {
 
  list-style: none;
}
summary::-webkit-details-marker {
  display: none
}

summary::after {
  content: ' ►';
  animation: blink-animation 1s steps(5, start) infinite;
  -webkit-animation: blink-animation 1s steps(5, start) infinite;
}

details[open] summary:after {
  content: " ▼";
  animation: blink-animation 1s steps(5, start) infinite;
  -webkit-animation: blink-animation 1s steps(5, start) infinite;
}


@keyframes blink-animation {
  to {
    visibility: hidden;
  }
}
@-webkit-keyframes blink-animation {
  to {
    visibility: hidden;
  }
}