title: CSS arrow with border add box shadow
body: <p>I have a tooltip with arrow and arrow border, but I need the arrow to get also the box shadow of the tooltip how I can do this?</p>
  
  <p>I need a cross-browser solution. I can't use CSS filter. </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>.tooltip {
    position: absolute;
  }
  
  .arrow_box {
    position: relative;
    background-color: #fff;
    border: 1px solid lightgrey;
    border-radius: 2px;
    padding: 12px;
    box-shadow: 1px 1.5px 4px 0px rgba(170, 174, 181, 0.45);
    -webkit-transform: translateX(6px);
            transform: translateX(6px);
  }
  
  .arrow_box:after, .arrow_box:before {
    right: 100%;
    top: 50%;
    border: solid transparent;
    content: " ";
    height: 0;
    width: 0;
    position: absolute;
    pointer-events: none;
  }
  
  .arrow_box:after {
    border-color: rgba(255, 255, 255, 0);
    border-right-color: #fff;
    border-width: 6px;
    margin-top: -6px;
  }
  
  .arrow_box:before {
    border-color: rgba(211, 211, 211, 0);
    border-right-color: #d3d3d3;
    border-width: 7px;
    margin-top: -7px;
  }</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;div class="tooltip"&gt;
   &lt;div class="arrow_box"&gt;
    &lt;p&gt;tooltip&lt;/p&gt;
   &lt;/div&gt;
  &lt;/div&gt;</code></pre>
  </div>
  </div>
  </p>