title: @keyframes doesn't support Arabic
body: <p>I try to write a sentence in Arabic with @keyframes but @keyframes doesn't support the Arabic language and comes out with unintelligible characters</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-css lang-css prettyprint-override"><code>.caption { background-color: black; }
  
  .caption h1::after {
    animation: move 3s infinite;
    content: "";
    border-left: 1px solid #fff;
    color: #fff !important;
  }
  
  @keyframes move {
    0% {
      content: "م"
    }
    10% {
      content: "مر"
    }
    20% {
      content: "مرح"
    }
    30% {
      content: "مرحب"
    }
    100% {
      content: "مرحباً"
    }
  }</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;div class="caption"&gt;
    &lt;h1&gt;&lt;/h1&gt;
  &lt;/div&gt;</code></pre>
  </div>
  </div>
  </p>
  
  <p>Letters and symbols similar to =-&amp;++#@</p>