The look

Everything about a theme beside its colors.

The background

KeyValuesWhat it sets
backdropNone, Gradient, PictureWhat lies behind everything.
colors2 to 4 colorsThe gradient's colors (the aurora's lights take them too).
angle0 to 360The way the gradient runs.
picturea data:image/… addressThe background picture.
fitCover, Contain, TileHow the picture fills the window.
movingStill, Drift, Aurora, Hue, ZoomHow the background moves.
speed4 to 240One round of that, in seconds.
blur, dim, saturate, vignette, grain0–60, 0–95, 0–200, 0–100, 0–60Effects over the background.

What moves over it

KeyValuesWhat it sets
fxa built-in effect, Script, or plugin:keyWhat moves over the background. None for nothing.
script, scriptIntext; TypeScript, JavaScript, PythonThe theme's own effect.
fxAmount, fxSpeed10 to 300; 20 to 300How many, and how fast, in hundredths of the usual.
fxColora color, or ""Their color (empty: the effect's own).

Panels and buttons

KeyValuesWhat it sets
glass30 to 100How solid the panels are (100: wholly; less: the background shows through).
frost0 to 40How much what is behind a panel is blurred, in pixels.
gloss0 to 100How glossy the glass is.
radius, tabs0 to 18The corners of buttons and fields; the top corners of the tabs.
paddingCompact, Regular, RoomyHow much room a button's words have.
buttonsFilled, Outlined, Soft, Raised, GlassHow a button is drawn.

Motion and lettering

KeyValuesWhat it sets
motionNone, Subtle, LivelyHow things move.
font, sizea font's name; 11 to 16The interface's lettering.
csstextCSS of the theme's own.