Custom Subreddit Background - Reddit by clemenslucas

/* ==UserStyle==
@name         Custom Subreddit Background - Reddit
@version      2021.1
@namespace    userstyles.world/user/clemenslucas
@description  You can add a custom background (image or GIF) any subreddit on reddit (that overwrites any set background image or color) to any subreddit. BIG THANKS to u/difool2nice !
@author       u/difool2nice, clemenslucas
@license      Attribution-NonCommercial-ShareAlike
==/UserStyle== */

@-moz-document url-prefix("https://www.reddit.com") {

/*Background1*/
    ._31N0dvxfpsO6Ur5AKx4O5d,
/*Background wider*/
    ._3ozFtOe6WpJEMUtxDOIvtU,
/* behind the top menu*/
    ._1gVVmSnHZpkUgVShsn7-ua {
        background-attachment: fixed;
/*insert your i.imgur link (for a picture or gif) down below.*/
        background-image: url("https://i.imgur.com/JrcxxQ8.gif") !important;
        background-size: cover !important; }

/*this section changes the backround for all of reddit*/
}


@-moz-document url-prefix("https://www.reddit.com/r/blog") {

/*Background1*/
    ._31N0dvxfpsO6Ur5AKx4O5d,
/*Background wider*/
    ._3ozFtOe6WpJEMUtxDOIvtU,
/* behind the top menu*/
    ._1gVVmSnHZpkUgVShsn7-ua {
        background-attachment: fixed;
/*insert your i.imgur link (for a picture or gif) down below.*/
        background-image: url("https://i.imgur.com/JrcxxQ8.gif") !important;
        background-size: cover !important; }

/*this section changes the background for a specific subreddit, just copy&paste (clone) this section and change the url it applies to, in order to have different backgrounds for different subreddits*/
}