diff --git a/main.go b/main.go
index 9c331bf..9229510 100644
--- a/main.go
+++ b/main.go
@@ -51,6 +51,18 @@ func Render(keyPtr *C.char, text *C.char) *C.char {
 	return ch(m[key].Render(str(text)))
 }
 
+//export SetString
+func SetString(keyPtr *C.char, text *C.char) {
+	key := str(keyPtr)
+	m[key].SetString(str(text))
+}
+
+//export String
+func String(keyPtr *C.char) *C.char {
+	key := str(keyPtr)
+	return ch(m[key].String())
+}
+
 //export Copy
 func Copy(keyPtr *C.char) *C.char {
 	key := str(keyPtr)
diff --git a/playground.ts b/playground.ts
index 8748b2b..d2c417e 100644
--- a/playground.ts
+++ b/playground.ts
@@ -1,26 +1,53 @@
 import * as blipgloss from './src'
+import type { AdaptiveColor, CustomBorder } from './src'
 
-// const style = new Style()
-
-const style = blipgloss.NewStyle()
-.Bold(true)
-.Foreground("#FAFAFA")
-.Background("#7D56F4")
-// .PaddingTop(2)
-// .PaddingBottom(2)
-// .PaddingLeft(4)
-.Width(30)
-.Padding(1, 4, 2)
-.Align(blipgloss.Position.Right)
-.BorderStyle({
-  Top:         "._.:*:",
-  Bottom:      "._.:*:",
-  Left:        "|*",
-  Right:       "|*",
-  TopLeft:     "*",
-  TopRight:    "*",
-  BottomLeft:  "*",
-  BottomRight: "*",
-})
-
-console.log(style.Render("Hello, bun clone."))
+const width = 96
+const columnWidth = 30
+
+// Style definitions.
+
+// General
+const subtle: AdaptiveColor = {
+  Light: '#D9DCCF',
+  Dark: '#383838'
+}
+const highlight: AdaptiveColor = {
+  Light: '#874BFD',
+  Dark: '#7D56F4'
+}
+const special: AdaptiveColor = {
+  Light: '#43BF6D',
+  Dark: '#73F59F'
+}
+
+const divider = blipgloss.NewStyle()
+  .SetString('.')
+  .Padding(0, 11)
+  .Foreground(subtle)
+  .String(subtle)
+
+const url = blipgloss.NewStyle().Foreground(special).Render
+
+// Tabs.
+
+const activeTabBorder: CustomBorder = {
+  Top: "─",
+  Bottom: " ",
+  Left: "│",
+  Right: "│",
+  TopLeft: "╭",
+  TopRight: "╮",
+  BottomLeft: "┘",
+  BottomRight: "└",
+}
+
+const tabBorder: CustomBorder = {
+  Top: "─",
+  Bottom: "─",
+  Left: "│",
+  Right: "│",
+  TopLeft: "╭",
+  TopRight: "╮",
+  BottomLeft: "┴",
+  BottomRight: "┴",
+}
diff --git a/src/lib.ts b/src/lib.ts
index 7dac696..1384789 100644
--- a/src/lib.ts
+++ b/src/lib.ts
@@ -2,26 +2,25 @@ import { CString, ptr } from 'bun:ffi'
 import { symbols } from './ffi'
 import { encode } from './utils'
 
-type AdaptiveColor = {
+export type AdaptiveColor = {
   Light: string
   Dark: string
 }
 
-type CompleteColor = {
+export type CompleteColor = {
   True: string
   ANSI256: string
   ANSI: string
 }
 
-// type Pointer = number
-type BlipglossColor = string | AdaptiveColor | CompleteColor
+export type BlipglossColor = string | AdaptiveColor | CompleteColor
 
 export enum Position {
   Top = 0.0,
-	Bottom = 1.0,
-	Center = 0.5,
-	Left = 0.0,
-	Right = 1.0
+  Bottom = 1.0,
+  Center = 0.5,
+  Left = 0.0,
+  Right = 1.0
 }
 
 export type CustomBorder = {
@@ -51,7 +50,7 @@ export class Style {
   private SetColorValue(key: string, value: BlipglossColor) {
     const isObject = typeof value !== 'string'
     const color = isObject ? ptr(encode(JSON.stringify(value))) : ptr(encode(value))
-    
+
     if (isObject) {
       if ('Light' in value) {
         // Adaptive color