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Themes

Start from one of seven built-in themes, then adjust it until it looks right.

Matcha Glass Default

A glass of iced matcha with light shining through

Colors
See-through deep green, pale mint names, pale green text
Shape
12px corners and a thin light border
Motion
Fade in

Washi

Messages written on washi paper

Colors
Rice paper, ink text, tea-brown names, vermilion accents
Shape
Almost square corners, Noto Serif TC
Motion
Fade in

Bubbles

Chat bubbles on a phone

Colors
Pale coral bubbles, dark tea text, coral accents
Shape
Large corners with one tucked in; events get a border and a tilted sticker
Motion
Pop in

Outline

Game subtitles

Colors
White text with a black outline, mint names, gold accents
Shape
No background, only text, a little larger
Motion
Fade in

Noren

The curtain at a shop’s door

Colors
Indigo cloth, names on a deeper block, gold accents
Shape
Name and message as two blocks, 6px corners
Motion
Slide in from the left

Terminal

A developer’s terminal

Colors
Near-black panel, light grey text, teal names
Shape
Monospace, an @ before names, timestamps, one panel
Motion
None

Tea Leaf

Chatto’s own look

Colors
Dark ground, a pale matcha frame, sakura accents
Shape
A nine-slice image frame with two leaves at opposite corners
Motion
Pop in

Blank

No styles at all, only the structure and classes, for writing CSS from scratch.

.chatto-message { }

Customize

The theme editor shows a sample of every element at once, so you see each change right away. The desktop overlay and OBS can each use their own theme.

  1. Padding for each side, radius for each corner, borders, shadow and blur
  2. Nine-slice image frames (PNG, WebP, GIF)
  3. Separate styles for moderators, VIPs and subscribers
  4. Styles and wording for subs, raids and other events
  5. Custom CSS with autocomplete and an inspector
  6. Export and import, with images in a .chattotheme file