<!DOCTYPE html>
<html>
    <head><title>Blur test</title></head>
    <body>
        <div>
            <img src="../icon/loop-circular-8x.png">
        </div>

        <div>
            <img src="test1.png">
        </div>
        
        <div>
            <img src="test2.png">
        </div>
    </body>
</html>

<!DOCTYPE html>
<html>
    <head><title>Blur test</title></head>
    <body>
        <div>
            <img src="../icon/loop-circular-8x.png">
        </div>

        <div>
            <img src="test1.png">
        </div>
        
        <div>
            <img src="test2.png">
        </div>
        
        <div style="background-color:black;">
            <img src="test1.png">
        </div>
        
        <div style="background-color:black;">
            <img src="test2.png">
        </div>
    </body>
</html>

Test html shows that shadow is invisible on black background - need to ponder that.
Test html shows that shadow is invisible on black background - need to ponder that.
