inset « shadow « HTML CSS Q&A

1. CSS3 box-shadow + inset + RGBA    stackoverflow.com

I'm doing some tests with new features of CSS3, but this combination only works in lastest versions of Chrome and Firefox, but not in Safari or Opera:

box-shadow:     ...

2. css3 box shadow: both outer and inset    stackoverflow.com

Is it possible to create both an outer shadow for a 3D effect and an inner inset glow? I have a div with a lime green background that's on top of ...

3. CSS drop-shadow inset for IE 8    stackoverflow.com

i've been reading and experimenting with conditional css to display the following css for IE 8.

box-shadow: 0 1px 1px  inset, 0 0 40px rgba(0, 0, 0, 0.5) inset, 0 16px ...

4. Box Shadow inset not working    stackoverflow.com

So I've been using a shadow box inset to make a inner glow kind of making the edges blurry and shadowy like for a edge burn look. I'm trying to use ...

5. CSS shadow (inset) styling when adding overlay    stackoverflow.com

The classes to understand my issue is following:

.container {
    -moz-box-shadow: 0 2px 8px rgba(0,0,0,0.5),
    inset 0 1px rgba(255,255,255,0.3),
    inset 0 10px 20px ...