Opacity question

Unity Engine
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1

Hi all!
I have faced a strange behaviour for me:

I have a visual element, with 100% opacity in alpha channel and in so-called attribute.

image
image518×527 35.8 KB

But, somehow, it’s tranparent (The white box).
image

Though, If I reset opacity in UI debugger and after set > 1.5, it’s looks like not transparent
image

Why it’s behaviours like this, and what I do wrong?
Thanks in advance!

2

Hello! What’s the attribute you’re setting there? If it’s the color, that’s for text, you’ll want background color. If it is background color, could you show paste the USS preview?

3

Of course! Thanks for your attention!

.dragger {
    width: 20px;
    height: 20px;
    max-height: 20px;
    min-height: 20px;
    min-width: 20px;
    max-width: 20px;
    background-image: none;
    position: absolute;
    -unity-background-image-tint-color: rgb(255, 255, 255);
    background-color: rgb(255, 255, 255);
    opacity: 1;
}