To completely change your browser (theme + new panel background), you must:
1) Search "about: profiles" in your browser 2) "Open folder" at "root directory" 3) Create a folder named "chrome" here 4) Save this picture into it: "https://ctrlv.cz/shots/2019/05/04/qZCn.png" 5) Create the file "userContent.txt" and copy: @-moz-document url("about:newtab") {
body {
background-image: url('qZCn.png') !important; background-position: center center
}
}
5) Rename the file to "userContent.css" 6) Restart FireFox and enjoy the new look ...
