title: How to create tooltip that stay on mouseover in pure css?
body: <p>I have a tooltip code here. And when I move mouse on this tooltip to click button it disappear. How to make it stay? I don't know how. </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>a.tooltips {
    position: relative;
  }
  a.tooltips span {
    position: absolute;
    width: 140px;
    color: #FFFFFF;
    background: #000000;
    min-height: 50px;
    line-height: 30px;
    text-align: center;
    visibility: hidden;
    border-radius: 6px;
  }
  a.tooltips span:after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -8px;
    width: 0;
    height: 0;
    border-top: 8px solid #000000;
    border-right: 8px solid transparent;
    border-left: 8px solid transparent;
  }
  a:hover.tooltips span {
    visibility: visible;
    opacity: 0.8;
    bottom: 30px;
    left: 50%;
    margin-left: -76px;
    z-index: 999;
  }</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code> &lt;a class="tooltips" href="#"&gt;CSS Tooltips
                    &lt;span&gt;Tooltip &lt;button  &gt;Open dialog&lt;/button&gt;&lt;/span&gt;&lt;/a&gt;</code></pre>
  </div>
  </div>
  </p>