How to make the contents opaque?

Question

After useing opacity,all transparent

https://code.sololearn.com/W6sFi8Rp8fmd/?ref=app

Answer 1

In css, to make opacity as opaque, the value needs to be "1"

opacity: 1;

Decimal values below 1 make various degrees of transparency

Answer 2

Please read this. It shows how to target the background image without adding opacity to all DIV contents.

You will need to make another DIV.

https://www.formget.com/css-background-opacity/

Answer 3

THX

Answer 4

Yes,I know thisI mean I just want the background picture to be transparent,how to do it?