Setting Map Container to position to relative do the trick. Here is HTML.
<body>
<!-- Map container -->
<div id="map_canvas"></div>
</body>
And Simple CSS.
<style>
html, body, #map_canvas {
width: 100%;
height: 100%;
margin: 0;
padding: 0;
}
#map_canvas {
position: relative;
}
</style>
Tested on all browsers. Here is the Screenshot.
