CSS3 box-shadow bug on img elements

by Binyamin

HTML

img element with box-shadow
<img class=box-shadow src=//www.dreamstime.com/one-cloud-blue-sky-thumb10753457.jpg>
div element with box-shadow
<div class=box-shadow></div>

div element with box-shadow, background-image and background-size
<div class="box-shadow bg-img"></div>

CSS

.box-shadow{
    display:block;
    width:133px;
    height:200px;
    box-shadow:0 0 30px #000 inset;
}
.bg-img{
    background-image:url(//www.dreamstime.com/one-cloud-blue-sky-thumb10753457.jpg);
    background-size:100%;
}