diff --git a/KEYMAP_SPEC.md b/KEYMAP_SPEC.md
index f18f5ad..ddcb94d 100644
--- a/KEYMAP_SPEC.md
+++ b/KEYMAP_SPEC.md
@@ -113,7 +113,7 @@ A `LayoutKey` can be defined with either a string value or with a mapping with t
 | `tap (t)`          | `str` | `""`          | the tap action of a key, drawn on the center of the key; spaces will be converted to line breaks[^2]                                                                                                                                                                        |
 | `hold (h)`         | `str` | `""`          | the hold action of a key, drawn on the bottom of the key                                                                                                                                                                                                                    |
 | `shifted (s)`      | `str` | `""`          | the "shifted" action of a key, drawn on the top of the key                                                                                                                                                                                                                  |
-| `type`             | `str` | `""`          | the styling of the key that corresponds to the [SVG class](CONFIGURATION.md#svg_style)[^3]. predefined types are `held` (a red shading to denote held down keys), `ghost` (dashed outline to denote optional keys in a layout), `trans` (lighter text for transparent keys) |
+| `type`             | `str` | `""`          | the styling of the key that corresponds to the [SVG class](CONFIGURATION.md#svg_style)[^3]. predefined types are `held` (a red shading to denote held down keys), `ghost` (dashed outline to denote optional keys in a layout), `trans` (lighter text for transparent keys), and `encoder` (circled outline) |
 
 [^2]: You can prevent line breaks by using double spaces `"  "` to denote a single non-breaking space.
 [^3]: Text styling can be overridden in the SVG config using the `"tap"`, `"hold"` and `"shifted"` classes if desired.
diff --git a/examples/tidbit.yaml b/examples/tidbit.yaml
index 5640b73..1cbb93c 100644
--- a/examples/tidbit.yaml
+++ b/examples/tidbit.yaml
@@ -9,7 +9,7 @@ layout:
 
 layers:
   default:
-    - [     Esc, '*', '-']
+    - [     {tap: Esc, type: encoder}, '*', '-']
     - ['7', '8', '9', '+']
     - ['4', '5', '6']
     - ['1', '2', '3', Enter]
diff --git a/keymap_drawer/config.py b/keymap_drawer/config.py
index 78a0cc1..f8aa9c6 100644
--- a/keymap_drawer/config.py
+++ b/keymap_drawer/config.py
@@ -125,6 +125,11 @@ class KeySidePars(BaseModel):
             stroke-width: 2;
         }
 
+        rect.encoder {
+            rx: 50%;
+            ry: 50%;
+        }
+
         text {
             text-anchor: middle;
             dominant-baseline: middle;