html - h2 elements all bunched up on top image on iOS & Firefox -


on site codexr.io noticing while h2 elements work on size browser chrome, seeing ios safari , firefox, of h2s on top of 1 in 1 of main images.

here's html:

<div class="content">     <p><a href="http://codexr.io/collaborative"><img alt="" height="450" src="/sites/default/files/workplace-1245776.jpg" width="800"></a></p>     <h2 class="top-area-text">collaborative</h2> </div>

and css:

#top-area .top-area-text, #top-area .region-top-fifth h2, #top-area .region-top-fifth h2 {     left: 0;     text-align: center;     top: 4em;     width: 100%;     color: white;     font-size: 3em;     text-shadow:         -1px -1px 0 #000,           1px -1px 0 #000,         -1px 1px 0 #000,         1px 1px 0 #000;     text-transform: uppercase; }  #top-area .top-area-text {     position: absolute; }

is there i'm missing? why chrome working firefox , ios not? malformed?

the problem position: absolute; without position: relative; on parent div. don't know why not happening in chrome. perhaps cached? have problem on site in chrome well.

according mozilla absolutely positioned element positioned relative closest positioned ancestor:

the element removed normal document flow; no space created element in page layout. instead, positioned relative closest positioned ancestor if any; otherwise, placed relative initial containing block. final position determined values of top, right, bottom, , left. value creates new stacking context when value of z-index not auto. absolutely positioned boxes can have margins, , not collapse other margins.

adding code in chrome inspector solves problem on end:

#top-area .content {     position: relative; }

this replicates issue on site , shows how resolve it:

#top-area .top-area-text, #top-area .region-top-fifth h2, #top-area .region-top-fifth h2 {      left: 0;      text-align: center;      top: 4em;      width: 100%;      color: white;      font-size: 3em;      text-shadow:          -1px -1px 0 #000,            1px -1px 0 #000,          -1px 1px 0 #000,          1px 1px 0 #000;      text-transform: uppercase;  }    #top-area .top-area-text {      position: absolute;  }    /* remove code reproduce issue on site. */  #top-area .content {      position: relative;  }
<div id="top-area">      <div class="content">          <p><a href="http://codexr.io/collaborative"><img alt="" height="450" src="http://codexr.io/sites/default/files/workplace-1245776.jpg" width="800"></a></p>          <h2 class="top-area-text">collaborative</h2>      </div>      <div class="content">          <p><a href="http://codexr.io/collaborative"><img alt="" height="450" src="http://codexr.io/sites/default/files/workplace-1245776.jpg" width="800"></a></p>          <h2 class="top-area-text">test</h2>      </div>      <div class="content">          <p><a href="http://codexr.io/collaborative"><img alt="" height="450" src="http://codexr.io/sites/default/files/workplace-1245776.jpg" width="800"></a></p>          <h2 class="top-area-text">test2</h2>      </div>  </div>


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