How change footer style?

[DodoSpringLove]

trafficstars

[AshMW2724]

Use the css selector [data-rsbs-footer] (Add this in another file or the styles.css file you already had to add)

Example:

[data-rsbs-footer] {
  background-color: red;
}

[DodoSpringLove]

I am sorry to bother you again, but I still want to learn from you how to modify the style of footer,like this，i want to user-defined