What is the streaming software?

Question

Video broadcast

Good afternoon!
I want to try workflow streaming. But I'm used to working with multiple monitors. Is there a software for broadcasting multiple windows or the active one at the moment.
I will be grateful for your help.

Answer 1

https://obsproject.com/

Answer 2

background-position-x: center
And post your code on jsfiddle.net
UPD:
If you want a picture through img, then something like this: https://jsfiddle.net/w2hu6hrw/

Answer 3

you can use units relative to the size of the browser window vh vw

img {
    position: absolute;
    width: 20vw;
    top: 20vh;
    left: 40vw;
}

webgent.ru/css/units

Answer 4

Specify position in pixels