diff --git a/src/components/AddTransactionButton.tsx b/src/components/AddTransactionButton.tsx
index 3a28285..6078619 100644
--- a/src/components/AddTransactionButton.tsx
+++ b/src/components/AddTransactionButton.tsx
@@ -1,4 +1,3 @@
-
 import React, { useState } from 'react';
 import { PlusIcon } from 'lucide-react';
 import { Dialog, DialogContent, DialogHeader, DialogTitle } from './ui/dialog';
@@ -100,7 +99,7 @@ const AddTransactionButton = () => {
       </div>
       
       <Dialog open={showExpenseDialog} onOpenChange={setShowExpenseDialog}>
-        <DialogContent className="sm:max-w-md">
+        <DialogContent className="w-[90%] max-w-sm mx-auto">
           <DialogHeader>
             <DialogTitle>지출 추가</DialogTitle>
           </DialogHeader>
diff --git a/src/components/onboarding/WelcomeDialog.tsx b/src/components/onboarding/WelcomeDialog.tsx
index 5b85354..63e677c 100644
--- a/src/components/onboarding/WelcomeDialog.tsx
+++ b/src/components/onboarding/WelcomeDialog.tsx
@@ -31,7 +31,7 @@ const WelcomeDialog: React.FC<WelcomeDialogProps> = ({ open, onClose }) => {
 
   return (
     <Dialog open={open} onOpenChange={() => handleClose()}>
-      <DialogContent className="sm:max-w-md">
+      <DialogContent className="w-[90%] max-w-sm mx-auto">
         <DialogHeader>
           <DialogTitle className="text-center text-2xl text-neuro-income mb-2">
             젤리의 적자탈출에 오신 것을 환영합니다!
diff --git a/src/components/ui/alert-dialog.tsx b/src/components/ui/alert-dialog.tsx
index 8722561..453ad8e 100644
--- a/src/components/ui/alert-dialog.tsx
+++ b/src/components/ui/alert-dialog.tsx
@@ -1,3 +1,4 @@
+
 import * as React from "react"
 import * as AlertDialogPrimitive from "@radix-ui/react-alert-dialog"
 
@@ -34,7 +35,7 @@ const AlertDialogContent = React.forwardRef<
     <AlertDialogPrimitive.Content
       ref={ref}
       className={cn(
-        "fixed left-[50%] top-[50%] z-50 grid w-full max-w-lg translate-x-[-50%] translate-y-[-50%] gap-4 border bg-background p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[state=closed]:slide-out-to-left-1/2 data-[state=closed]:slide-out-to-top-[48%] data-[state=open]:slide-in-from-left-1/2 data-[state=open]:slide-in-from-top-[48%] sm:rounded-lg",
+        "fixed left-[50%] top-[50%] z-50 grid w-[90%] max-w-sm translate-x-[-50%] translate-y-[-50%] gap-4 border bg-background p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[state=closed]:slide-out-to-left-1/2 data-[state=closed]:slide-out-to-top-[48%] data-[state=open]:slide-in-from-left-1/2 data-[state=open]:slide-in-from-top-[48%] sm:rounded-lg",
         className
       )}
       {...props}
diff --git a/src/components/ui/dialog.tsx b/src/components/ui/dialog.tsx
index c23630e..749a4f5 100644
--- a/src/components/ui/dialog.tsx
+++ b/src/components/ui/dialog.tsx
@@ -1,3 +1,4 @@
+
 import * as React from "react"
 import * as DialogPrimitive from "@radix-ui/react-dialog"
 import { X } from "lucide-react"
@@ -36,7 +37,7 @@ const DialogContent = React.forwardRef<
     <DialogPrimitive.Content
       ref={ref}
       className={cn(
-        "fixed left-[50%] top-[50%] z-50 grid w-full max-w-lg translate-x-[-50%] translate-y-[-50%] gap-4 border bg-background p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[state=closed]:slide-out-to-left-1/2 data-[state=closed]:slide-out-to-top-[48%] data-[state=open]:slide-in-from-left-1/2 data-[state=open]:slide-in-from-top-[48%] sm:rounded-lg",
+        "fixed left-[50%] top-[50%] z-50 grid w-[90%] max-w-sm translate-x-[-50%] translate-y-[-50%] gap-4 border bg-background p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[state=closed]:slide-out-to-left-1/2 data-[state=closed]:slide-out-to-top-[48%] data-[state=open]:slide-in-from-left-1/2 data-[state=open]:slide-in-from-top-[48%] sm:rounded-lg",
         className
       )}
       {...props}
diff --git a/src/components/ui/drawer.tsx b/src/components/ui/drawer.tsx
index c17b0cc..660f5e2 100644
--- a/src/components/ui/drawer.tsx
+++ b/src/components/ui/drawer.tsx
@@ -1,3 +1,4 @@
+
 import * as React from "react"
 import { Drawer as DrawerPrimitive } from "vaul"
 
@@ -41,7 +42,7 @@ const DrawerContent = React.forwardRef<
     <DrawerPrimitive.Content
       ref={ref}
       className={cn(
-        "fixed inset-x-0 bottom-0 z-50 mt-24 flex h-auto flex-col rounded-t-[10px] border bg-background",
+        "fixed inset-x-0 bottom-0 z-50 mt-24 flex h-auto w-[95%] max-w-sm mx-auto flex-col rounded-t-[10px] border bg-background",
         className
       )}
       {...props}
diff --git a/src/components/ui/popover.tsx b/src/components/ui/popover.tsx
index bbba7e0..02bff87 100644
--- a/src/components/ui/popover.tsx
+++ b/src/components/ui/popover.tsx
@@ -1,3 +1,4 @@
+
 import * as React from "react"
 import * as PopoverPrimitive from "@radix-ui/react-popover"
 
@@ -17,7 +18,7 @@ const PopoverContent = React.forwardRef<
       align={align}
       sideOffset={sideOffset}
       className={cn(
-        "z-50 w-72 rounded-md border bg-popover p-4 text-popover-foreground shadow-md outline-none data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+        "z-50 w-[90%] max-w-sm rounded-md border bg-popover p-4 text-popover-foreground shadow-md outline-none data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
         className
       )}
       {...props}
diff --git a/src/components/ui/sheet.tsx b/src/components/ui/sheet.tsx
index 7b1dbe4..bf67ce8 100644
--- a/src/components/ui/sheet.tsx
+++ b/src/components/ui/sheet.tsx
@@ -1,3 +1,4 @@
+
 import * as SheetPrimitive from "@radix-ui/react-dialog"
 import { cva, type VariantProps } from "class-variance-authority"
 import { X } from "lucide-react"
@@ -36,9 +37,9 @@ const sheetVariants = cva(
         top: "inset-x-0 top-0 border-b data-[state=closed]:slide-out-to-top data-[state=open]:slide-in-from-top",
         bottom:
           "inset-x-0 bottom-0 border-t data-[state=closed]:slide-out-to-bottom data-[state=open]:slide-in-from-bottom",
-        left: "inset-y-0 left-0 h-full w-3/4 border-r data-[state=closed]:slide-out-to-left data-[state=open]:slide-in-from-left sm:max-w-sm",
+        left: "inset-y-0 left-0 h-full w-[90%] max-w-sm border-r data-[state=closed]:slide-out-to-left data-[state=open]:slide-in-from-left",
         right:
-          "inset-y-0 right-0 h-full w-3/4  border-l data-[state=closed]:slide-out-to-right data-[state=open]:slide-in-from-right sm:max-w-sm",
+          "inset-y-0 right-0 h-full w-[90%] max-w-sm border-l data-[state=closed]:slide-out-to-right data-[state=open]:slide-in-from-right",
       },
     },
     defaultVariants: {
@@ -128,4 +129,3 @@ export {
   Sheet, SheetClose,
   SheetContent, SheetDescription, SheetFooter, SheetHeader, SheetOverlay, SheetPortal, SheetTitle, SheetTrigger
 }
-