This will indicate whether practice is enabled on a rem or not using the rem bullet color. You can change variable values in the :root to whatever color you like. This doesn’t change anything for cloze or image occlusion type cards. An example would look like this.

CSS
:root {
 /* color when practice is enabled for both directions*/
 --font-practice-enabled-indicator-c: #d73b3e;   
 /* color when practice is enabled only for forward direction*/
 --font-forward-practice-enabled-indicator-c: #f28500; 
 /* color when practice is enabled only for backward direction*/    
 --font-backward-practice-enabled-indicator-c: #af7ac5; 
}
/* Disable default practice indicators */
.rem-container  .separator-symbol,
.rem-container .MultiLineCardIndicator {
background: inherit;
}
/* This doesn't cover cloze cards or image occlusion cards*/
/* Change the color of all .rem-bullet(s) inside rem-bullet__container if forward practice is enabled */
.rem-container--forwards-practice-enabled .rem-bullet__container .rem-bullet {
  background-color: var(--font-forward-practice-enabled-indicator-c);
}
/* Change the color of all .rem-bullet(s) inside rem-bullet__container if backward practice is enabled */
.rem-container--backwards-practice-enabled  .rem-bullet__container .rem-bullet {
  background-color: var(--font-backward-practice-enabled-indicator-c);
}
/* Change the color of all .rem-bullet(s) inside rem-bullet__container if practice is enabled for both directions */
.rem-container--forwards-practice-enabled.rem-container--backwards-practice-enabled  .rem-bullet__container .rem-bullet {
  background-color: var(--font-practice-enabled-indicator-c);
}
        
      
    