diff --git a/example/main.go b/example/main.go
index a01390a..fdad0f4 100644
--- a/example/main.go
+++ b/example/main.go
@@ -1,62 +1,30 @@
 package main
 
 import (
-    "github.com/orus-dev/osui"
-    "github.com/orus-dev/osui/colors"
-    "github.com/orus-dev/osui/ui"
+	"github.com/orus-dev/osui"
+	"github.com/orus-dev/osui/ui"
 )
 
+var students []string = []string{}
+
 func main() {
-    screen := osui.NewScreen(App())
-    screen.Run()
+	screen := osui.NewScreen(App())
+	screen.Run()
 }
 
-func App() *ui.PaginatorComponent {
-    w, h := osui.GetTerminalSize()
-    
-    var keybindings ui.Class[*ui.TextComponent]
-    keybindings.SetProperties(func(tc *ui.TextComponent) *ui.TextComponent {
-        tc.Text = colors.Blue + tc.Text
-        tc.Data.Y = h - 2
-        return tc
-    })
-
-    return ui.Paginator(
-        // Page 1
-        ui.Div(
-            ui.Text("Welcome to the example! The blue text on the bottom show the keybindings"),
-            keybindings.Class(ui.Text("Next Page: Tab. Previous Page: shift + tab")),
-        ),
-
-        // Page 2
-        ui.Div(
-            ui.WithPosition(0, 0, ui.Text("This blue square is a div. A div stores multiple components into one")),
-            ui.WithPosition((w-30)/2, (h-4)/2,
-                ui.WithSize(30, 5,
-                    ui.Div(ui.WithPosition(4, 1, ui.Button("Hello, World!").Params(ui.ButtonParams{Width: 19}))).Params(ui.DivParams{Style: ui.DivStyle{Outline: colors.Blue}}),
-                )),
-            keybindings.Class(ui.Text("Navigate: Ctrl+(W/A/S/D)")),
-        ),
-
-        // Page 3
-        ui.Div(
-            ui.WithPosition(0, 0, ui.Text("This is a InputBox. It takes user input just like a GUI. "+colors.Red+colors.Bold+"NOTE: This InputBox is inside a div")),
-            ui.WithPosition((w-32)/2, (h-3)/2, ui.InputBox(30)),
-            keybindings.Class(ui.Text("Navigate: Ctrl+(W/A/S/D). Finish: Enter.")),
-        ),
-
-        // Page 4
-        ui.Div(
-            ui.WithPosition(0, 0, ui.Text("This is a Button. To click it press Enter. "+colors.Red+colors.Bold+"NOTE: This Button is inside a div")),
-            ui.WithPosition((w-20)/2, (h-3)/2, ui.Button("This is a button")),
-            keybindings.Class(ui.Text("Navigate: Ctrl+(W/A/S/D). Click Button: Enter")),
-        ),
-
-        // Page 5
-        ui.Div(
-            ui.WithPosition(0, 0, ui.Text("This is a Menu. It prompts you to select an item. "+colors.Red+colors.Bold+"NOTE: This Menu is inside a div")),
-            ui.WithPosition(0, 2, ui.Menu("Item 1", "Item 2", "Item 3", "Item 4", "Item 5").Params(ui.MenuParams{OnSelected: func(mc *ui.MenuComponent, b bool) {}})),
-            keybindings.Class(ui.Text("Navigate: Ctrl+(W/A/S/D). Navigate Menu: W/S. Select: Enter. Exit Menu: Q. ")),
-        ),
-    )
+func App() *ui.DivComponent {
+	return renderRoot()
+}
+
+func renderRoot() *ui.DivComponent {
+	var root ui.Id[*ui.DivComponent]
+
+	return root.Id(ui.Div(
+		ui.WithPosition(0, 0, ui.Text("student managment system (terminal edition permium) made by fefek")),
+		ui.WithPosition(0, 2, ui.Button("add student")),
+		ui.WithPosition(25, 2, ui.Button("delete student")),
+		ui.WithPosition(50, 2, ui.Button("info")),
+		ui.WithPosition(0, 5, ui.Text("students")),
+		ui.WithPosition(0, 7, ui.Menu(students...)),
+	))
 }
diff --git a/utils.go b/utils.go
index 1ee143c..1190c5a 100644
--- a/utils.go
+++ b/utils.go
@@ -14,13 +14,16 @@ import (
 	"golang.org/x/term"
 )
 
-func RenderLine(frame_, line_ string, x int, fm map[int]string, lm map[int]string) string {
+var re = regexp.MustCompile(`(\x1b\[([0-9;]*)[a-zA-Z])+`)
+
+func RenderLine(frame_, line_ string, x int, fm, lm map[int]string) string {
 	var res strings.Builder
 	frame := []rune(frame_)
 	line := []rune(line_)
 
-	for i := range frame {
-		if i >= x && i-x < len(line) {
+	flen, llen := len(frame), len(line)
+	for i := 0; i < flen; i++ {
+		if i >= x && i-x < llen {
 			if v, ok := lm[i-x]; ok {
 				res.WriteString(v)
 			}
@@ -36,8 +39,6 @@ func RenderLine(frame_, line_ string, x int, fm map[int]string, lm map[int]strin
 }
 
 func CompressString(input string) (string, map[int]string) {
-	pattern := `(\x1b\[([0-9;]*)[a-zA-Z])+`
-	re := regexp.MustCompile(pattern)
 	matchesMap := make(map[int]string)
 	res := []rune{}