When using Safari on my iPad, I noticed that the white X appears on the right-hand side of the black screen. Since this is the only version of Safari that I have, I am unsure if this issue is specific to iPads, Safaris, or just my device.
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0"/>
<title>Title here</title>
</head>
<body>
<div id="main">
<div id="piece-info-container">
<div id="piece-info">
<div id="piece-info-top">
<div class="piece-info-row">
<i id="close-piece-info" class="fa fa-window-close unselectable" aria-hidden="true>X</i>
</div>
</div>
</div>
</div>
</div>
</body>
</html>