List of properties which are theme incompatible for EdgeHTML. When setting these properties you will fall back from the Web Ruleset (read it as the modern control styling ruleset) to a much more basic set called the Base Ruleset with IE 11 mode specific overrides (Base+IE11) was our last set of updates, the two will be merged once a new update n…

theme_incompatible_properties.css

/* At the time of first commit, each of thse properties was not immediately tested.
   and each of the values using default is just to avoid typing a real value */
input {
  /* pretty much any background change */
  background: default;
  background-color: default;
  background-repeat: default;
  background-position: default;
  background-position-x: default;
  background-position-y: default;
  background-attachment: default;
  background-clip: default;
  background-origin: default;
  background-size: default;
  
  /* These end up setting specific properties that in turn cause fall back for borders */
  border: default;
  border-top: default;
  border-right: default;
  border-bottom: default;
  border-left: default;
  border-color: default;
  border-style: default;
  border-width: default;
  
  /* These are in our list of border properties that cause fallback to base rule set */
  border-left-style: default;
  border-top-style: default;
  border-right-style: default;
  border-bottom-style: default;
  border-left-color: default;
  border-top-color: default;
  border-right-color: default;
  border-bottom-color: default;
  border-left-width: default;
  border-top-width: default;
  border-right-width: default;
  border-bottom-width: default;
  
  /* The radius properties */
  border-radius: default;
  border-top-left-radius: default;
  border-top-right-radius: default;
  border-bottom-left-radius: default;
  border-bottom-right-radius: default;
}