How to make such a bg?

Question

css

How to make such a b g?

Answer 1

What can't you do? The usual background in several layers. A sandwich.
1. Gradient bottom layer
2. Higher layer - satellite and clouds on the left
3. Even higher layer - clouds on the right
4. And the last layer - clouds in the basement.

<div class="bg1">
    <div class="bg2">
        <div class="bg3">
            <div class="bg4">
            </div>
        </div>
    </div>
</div>