Alok's Sliding Puzzle: custom colors by myfonj

/* ==UserStyle==
@name           Alok's Sliding Puzzle: custom colors 
@namespace      github.com/openstyles/stylus
@version        1.0.2
@description    changes light blue versus violet plain dullness to whimsical dark green checquerboard versus light yellow target patterns
@author         myfonj
@license        CC0
==/UserStyle== */

@-moz-document url-prefix("https://www.quaxio.com/sliding_puzzle/puzzle.html") {
 [style$="background-color: rgb(183, 229, 221);"] {
  background-color: darkolivegreen !important;
  background-image: repeating-conic-gradient(at center, transparent 0 25%, darkslategray 0 50%);
  background-size: 10% 10%;
  color: snow !important;
  -webkit-text-stroke-color: rgba(0,0,0,.5);
  -webkit-text-stroke-width: .2em;
 }
 [style$="background-color: rgb(154, 134, 164);"] {
  background-color: goldenrod !important;
  background-image: repeating-radial-gradient(at center, transparent 0 10%, gold 0 20%);
  background-size: 100% 100%;
  color: black !important;
  -webkit-text-stroke-color: rgba(255,255,255,.5);
  -webkit-text-stroke-width: .2em;
 }
}