diff --git a/src/App.css b/src/App.css
index 350c4001..72dc7379 100644
--- a/src/App.css
+++ b/src/App.css
@@ -2,40 +2,193 @@
   display: flex;
   flex-direction: column;
   align-items: center;
-  justify-content: center;
+  justify-content: flex-start;
+  min-height: 100vh;
+  padding: 2rem 1rem;
+  max-width: 1200px;
+  margin: 0 auto;
 }
 
-.App-logo {
-  height: 40vmin;
-  pointer-events: none;
+.app-header {
+  text-align: center;
+  margin-bottom: 2rem;
+  width: 100%;
 }
 
-@media (prefers-reduced-motion: no-preference) {
-  .App-logo {
-    animation: App-logo-spin infinite 20s linear;
-  }
+.app-header h1 {
+  color: #ffffff;
+  font-size: 2.5rem;
+  font-weight: 700;
+  margin: 0 0 0.5rem 0;
+  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
+  letter-spacing: -0.5px;
 }
 
-.App-header {
-  background-color: #282c34;
-  min-height: 100vh;
+.app-header p {
+  color: #ffffff;
+  font-size: 1.2rem;
+  margin: 0;
+  opacity: 0.95;
+  font-weight: 300;
+}
+
+.cart-container {
+  background: #ffffff;
+  border-radius: 16px;
+  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
+  padding: 2rem;
+  width: 100%;
+  margin-bottom: 2rem;
+  transition: transform 0.3s ease, box-shadow 0.3s ease;
+}
+
+.cart-container:hover {
+  transform: translateY(-2px);
+  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.2);
+}
+
+.shipping-container {
+  background: #ffffff;
+  border-radius: 16px;
+  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
+  padding: 2rem;
+  width: 100%;
+  margin-bottom: 2rem;
+}
+
+.purchase-button {
+  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+  color: white;
+  border: none;
+  padding: 1rem 3rem;
+  font-size: 1.1rem;
+  font-weight: 600;
+  border-radius: 12px;
+  cursor: pointer;
+  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
+  transition: all 0.3s ease;
+  text-transform: uppercase;
+  letter-spacing: 1px;
+  width: 100%;
+  max-width: 400px;
+  margin: 0 auto;
+  display: block;
+}
+
+.purchase-button:hover {
+  transform: translateY(-2px);
+  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
+  background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
+}
+
+.purchase-button:active {
+  transform: translateY(0);
+  box-shadow: 0 2px 10px rgba(102, 126, 234, 0.4);
+}
+
+.cart-items-list {
+  list-style-type: none;
+  padding: 0;
+  margin: 0;
   display: flex;
   flex-direction: column;
+  gap: 1rem;
+}
+
+.cart-summary {
+  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
+  border-radius: 12px;
+  padding: 1.5rem;
+  margin-top: 2rem;
+  border: 1px solid rgba(0, 0, 0, 0.05);
+}
+
+.cart-summary p {
+  margin: 0.75rem 0;
+  font-size: 1rem;
+  color: #333;
+  display: flex;
+  justify-content: space-between;
   align-items: center;
-  justify-content: center;
-  font-size: calc(10px + 2vmin);
-  color: white;
 }
 
-.App-link {
-  color: #61dafb;
+.cart-summary hr {
+  border: none;
+  border-top: 2px solid rgba(102, 126, 234, 0.3);
+  margin: 1rem 0;
+}
+
+.cart-summary .order-total {
+  font-size: 1.5rem;
+  font-weight: 700;
+  color: #667eea;
+  margin-top: 1rem;
+  padding-top: 1rem;
+  border-top: 2px solid rgba(102, 126, 234, 0.3);
+}
+
+.cart-title {
+  color: #333;
+  font-size: 2rem;
+  font-weight: 700;
+  margin: 0 0 1.5rem 0;
+  padding-bottom: 1rem;
+  border-bottom: 3px solid #667eea;
+}
+
+.shipping-title {
+  color: #333;
+  font-size: 1.5rem;
+  font-weight: 600;
+  margin: 0 0 1.5rem 0;
+}
+
+.loading-text,
+.error-text {
+  text-align: center;
+  padding: 2rem;
+  color: #333;
+  font-size: 1.2rem;
+}
+
+.error-text {
+  color: #e74c3c;
+  background: #ffeaea;
+  border-radius: 8px;
+  border-left: 4px solid #e74c3c;
 }
 
-@keyframes App-logo-spin {
-  from {
-    transform: rotate(0deg);
+.shipping-option-label {
+  display: flex;
+  align-items: center;
+  padding: 1rem;
+  border-radius: 8px;
+  border: 2px solid #e0e0e0;
+  transition: all 0.3s ease;
+  cursor: pointer;
+}
+
+.shipping-option-label:hover {
+  border-color: #667eea;
+  background-color: #f8f9ff;
+}
+
+@media (max-width: 768px) {
+  .App {
+    padding: 1rem 0.5rem;
   }
-  to {
-    transform: rotate(360deg);
+
+  .app-header h1 {
+    font-size: 2rem;
+  }
+
+  .cart-container,
+  .shipping-container {
+    padding: 1.5rem;
+  }
+
+  .purchase-button {
+    padding: 0.875rem 2rem;
+    font-size: 1rem;
   }
 }
diff --git a/src/App.js b/src/App.js
index c4b1370b..3e1b17b1 100644
--- a/src/App.js
+++ b/src/App.js
@@ -15,16 +15,26 @@ function App(props) {
   return (
     <>
       <div className="App">
+        <div className="app-header">
+          <h1>🛍️ Shopping Cart</h1>
           <p data-testid="thanks_id">Thank you for shopping with us!</p>
+        </div>
+        <div className="cart-container">
           <CartView shippingCost={shippingCost} cartId={props.cartId} />
+        </div>
+        <div className="shipping-container">
           <ShippingOptions onChangeValue={handleChangeValue} />
-          <button onClick={() => setMsgYNModal({
+        </div>
+        <button 
+          className="purchase-button"
+          onClick={() => setMsgYNModal({
             showMsgYNModal: true, message: "Do you agree with the purchase agreement?", methodOnClose: (decision) => {
               setMsgYNModal({ msgYNModalState: { showMsgYNModal: false, message: "", methodOnClose: ()=>{} } })
             }
-          })} >
-            Make Purchase
-          </button>
+          })} 
+        >
+          Make Purchase
+        </button>
       </div>
       <MsgYNModal
         style={{ width: '80%', maxHeight: 435 }}
diff --git a/src/cartItem.js b/src/cartItem.js
index d329bfb4..b6e8f0da 100644
--- a/src/cartItem.js
+++ b/src/cartItem.js
@@ -8,18 +8,50 @@ import Typography from '@material-ui/core/Typography';
 const useStyles = makeStyles((theme) => ({
   root: {
     display: 'flex',
+    borderRadius: '12px',
+    boxShadow: '0 4px 12px rgba(0, 0, 0, 0.1)',
+    transition: 'all 0.3s ease',
+    overflow: 'hidden',
+    marginBottom: '0.5rem',
+    '&:hover': {
+      transform: 'translateY(-2px)',
+      boxShadow: '0 6px 20px rgba(0, 0, 0, 0.15)',
+    },
   },
   details: {
     display: 'flex',
     flexDirection: 'column',
+    flex: '1 1 auto',
+    padding: '1rem',
   },
   content: {
     flex: '1 0 auto',
+    padding: '0.5rem 1rem !important',
   },
   cover: {
-    height: 100,
-    width: '10%',
-  }
+    height: '120px',
+    width: '120px',
+    minWidth: '120px',
+    objectFit: 'cover',
+    background: 'linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%)',
+  },
+  title: {
+    fontWeight: 600,
+    color: '#333',
+    marginBottom: '0.5rem',
+    fontSize: '1.1rem',
+  },
+  description: {
+    color: '#666',
+    marginBottom: '0.5rem',
+    fontSize: '0.9rem',
+  },
+  price: {
+    color: '#667eea',
+    fontWeight: 700,
+    fontSize: '1.2rem',
+    marginTop: '0.5rem',
+  },
 }));
 
 export default function CartItem(props) {
@@ -29,14 +61,14 @@ export default function CartItem(props) {
     <Card className={classes.root}>
       <div className={classes.details}>
         <CardContent className={classes.content}>
-          <Typography component="h5" variant="h5">
+          <Typography component="h5" variant="h5" className={classes.title}>
             {props.item.title}
           </Typography>
-          <Typography variant="subtitle1" color="textSecondary">
+          <Typography variant="subtitle1" className={classes.description}>
             {props.item.description}
           </Typography>
-          <Typography variant="subtitle1" color="textSecondary">
-            {(props.item.cost/100).toFixed(2)}
+          <Typography variant="subtitle1" className={classes.price}>
+            ${(props.item.cost/100).toFixed(2)}
           </Typography>
         </CardContent>
       </div>
diff --git a/src/cartview.js b/src/cartview.js
index 8d0322ec..6b2227a7 100644
--- a/src/cartview.js
+++ b/src/cartview.js
@@ -32,9 +32,9 @@ function CartView(props) {
   }, [props.cartId]);
 
   if (error) {
-    return (<h1 data-testid="error_heading_id">Failed to retrieve cart ({error.message})</h1>);
+    return (<h1 className="error-text" data-testid="error_heading_id">Failed to retrieve cart ({error.message})</h1>);
   } else if (!cart) {
-    return (<h1>Loading shopping cart...</h1>);
+    return (<h1 className="loading-text">Loading shopping cart...</h1>);
   } else {
     const costs = cart.cartItems.map(a => a.cost);
     const itemTotal = sum(...costs);
@@ -43,8 +43,8 @@ function CartView(props) {
     return (
       <>
         <div>
-          <h1 data-testid="cart_heading_id">Shopping Cart</h1>
-          <ul style={{ listStyleType: 'none', padding: 0, margin: 0 }}>
+          <h1 className="cart-title" data-testid="cart_heading_id">Shopping Cart</h1>
+          <ul className="cart-items-list">
             {cart.cartItems.map((cartItemData, idx) =>
               <li key={idx}>
                 <CartItem item={cartItemData} />
@@ -52,12 +52,24 @@ function CartView(props) {
             )}
           </ul>
         </div>
-        <div>
-          <p data-testid="itemscost_id">Items: ${(itemTotal/100).toFixed(2)}</p>
-          <p>Shipping: ${(props.shippingCost/100).toFixed(2)}</p>
-          <p>Tax: ${(tax/100).toFixed(2)}</p>
+        <div className="cart-summary">
+          <p data-testid="itemscost_id">
+            <span>Items:</span>
+            <span>${(itemTotal/100).toFixed(2)}</span>
+          </p>
+          <p>
+            <span>Shipping:</span>
+            <span>${(props.shippingCost/100).toFixed(2)}</span>
+          </p>
+          <p>
+            <span>Tax:</span>
+            <span>${(tax/100).toFixed(2)}</span>
+          </p>
           <hr></hr>
-          <p><b>Order Total: ${(total/100).toFixed(2)}</b></p>
+          <p className="order-total">
+            <span>Order Total:</span>
+            <span>${(total/100).toFixed(2)}</span>
+          </p>
         </div>
       </>
     );
diff --git a/src/index.css b/src/index.css
index ec2585e8..5d9ea939 100644
--- a/src/index.css
+++ b/src/index.css
@@ -1,10 +1,17 @@
+* {
+  box-sizing: border-box;
+}
+
 body {
   margin: 0;
+  padding: 0;
   font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
     'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
     sans-serif;
   -webkit-font-smoothing: antialiased;
   -moz-osx-font-smoothing: grayscale;
+  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+  min-height: 100vh;
 }
 
 code {
diff --git a/src/msgYNModal.js b/src/msgYNModal.js
index e2363baa..b90d4cab 100644
--- a/src/msgYNModal.js
+++ b/src/msgYNModal.js
@@ -1,5 +1,6 @@
 import React from 'react';
 import PropTypes from 'prop-types';
+import { makeStyles } from '@material-ui/core/styles';
 import Button from '@material-ui/core/Button';
 import Dialog from '@material-ui/core/Dialog';
 import DialogActions from '@material-ui/core/DialogActions';
@@ -7,7 +8,52 @@ import DialogContent from '@material-ui/core/DialogContent';
 import DialogContentText from '@material-ui/core/DialogContentText';
 import DialogTitle from '@material-ui/core/DialogTitle';
 
+const useStyles = makeStyles((theme) => ({
+  dialog: {
+    borderRadius: '16px',
+  },
+  dialogTitle: {
+    background: 'linear-gradient(135deg, #667eea 0%, #764ba2 100%)',
+    color: '#ffffff',
+    padding: '1.5rem',
+    fontWeight: 600,
+    fontSize: '1.5rem',
+  },
+  dialogContent: {
+    padding: '2rem',
+    fontSize: '1.1rem',
+    color: '#333',
+  },
+  dialogActions: {
+    padding: '1rem 1.5rem',
+    gap: '1rem',
+  },
+  button: {
+    borderRadius: '8px',
+    padding: '0.5rem 2rem',
+    fontWeight: 600,
+    textTransform: 'none',
+    fontSize: '1rem',
+  },
+  cancelButton: {
+    color: '#666',
+    border: '2px solid #e0e0e0',
+    '&:hover': {
+      backgroundColor: '#f5f5f5',
+      borderColor: '#ccc',
+    },
+  },
+  okButton: {
+    background: 'linear-gradient(135deg, #667eea 0%, #764ba2 100%)',
+    color: '#ffffff',
+    '&:hover': {
+      background: 'linear-gradient(135deg, #764ba2 0%, #667eea 100%)',
+    },
+  },
+}));
+
 function MsgYNModal(props) {
+  const classes = useStyles();
   const { onClose, message, open, ...other } = props;
 
   const handleCancel = () => {
@@ -27,20 +73,30 @@ function MsgYNModal(props) {
           onClose(event, reason)
         }
       }}
+      classes={{ paper: classes.dialog }}
       {...other}
     >
-      <DialogTitle id="confirmation-dialog-title">Confirmation Of Order</DialogTitle>
-      <DialogContent dividers>
+      <DialogTitle id="confirmation-dialog-title" className={classes.dialogTitle}>
+        Confirmation Of Order
+      </DialogTitle>
+      <DialogContent dividers className={classes.dialogContent}>
         <DialogContentText id="alert-dialog-description">
           {message}
         </DialogContentText>
       </DialogContent>
-      <DialogActions>
-        <Button autoFocus onClick={handleCancel} color="primary">
+      <DialogActions className={classes.dialogActions}>
+        <Button 
+          autoFocus 
+          onClick={handleCancel} 
+          className={`${classes.button} ${classes.cancelButton}`}
+        >
           Cancel
         </Button>
-        <Button onClick={handleOk} color="primary">
-          Ok
+        <Button 
+          onClick={handleOk} 
+          className={`${classes.button} ${classes.okButton}`}
+        >
+          Confirm
         </Button>
       </DialogActions>
     </Dialog>
diff --git a/src/shippingOptions.js b/src/shippingOptions.js
index ae0be2bf..b6960b1b 100644
--- a/src/shippingOptions.js
+++ b/src/shippingOptions.js
@@ -1,11 +1,61 @@
 import React, { useState } from 'react';
+import { makeStyles } from '@material-ui/core/styles';
 import Radio from '@material-ui/core/Radio';
 import RadioGroup from '@material-ui/core/RadioGroup';
 import FormControlLabel from '@material-ui/core/FormControlLabel';
 import PropTypes from 'prop-types';
 import './App.css';
 
+const useStyles = makeStyles((theme) => ({
+  root: {
+    width: '100%',
+  },
+  title: {
+    color: '#333',
+    fontSize: '1.5rem',
+    fontWeight: 600,
+    marginBottom: '1.5rem',
+  },
+  radioGroup: {
+    display: 'flex',
+    flexDirection: 'column',
+    gap: '0.75rem',
+    [theme.breakpoints.up('sm')]: {
+      flexDirection: 'row',
+      justifyContent: 'space-around',
+    },
+  },
+  radioLabel: {
+    margin: 0,
+    padding: '1rem',
+    borderRadius: '8px',
+    border: '2px solid #e0e0e0',
+    transition: 'all 0.3s ease',
+    width: '100%',
+    '&:hover': {
+      borderColor: '#667eea',
+      backgroundColor: '#f8f9ff',
+    },
+    [theme.breakpoints.up('sm')]: {
+      width: 'auto',
+      minWidth: '200px',
+      flex: '1',
+    },
+  },
+  radioLabelChecked: {
+    borderColor: '#667eea !important',
+    backgroundColor: '#f0f2ff !important',
+  },
+  radio: {
+    color: '#667eea',
+    '&.Mui-checked': {
+      color: '#667eea',
+    },
+  },
+}));
+
 function ShippingOptions(props) {
+  const classes = useStyles();
   const [shipping, setShipping] = useState(0)
 
   const handleChange = (event, value) => {
@@ -14,19 +64,34 @@ function ShippingOptions(props) {
   }
 
   return (
-    <div>
-      <h4>Choose your delivery option:</h4>
+    <div className={classes.root}>
+      <h4 className={classes.title}>Choose your delivery option:</h4>
       <RadioGroup
-        row
+        className={classes.radioGroup}
         aria-label="delivery"
         data-testid="delivery_option_id"
         name="delivery"
         value={shipping}
         onChange={(event, value) => handleChange(event, value)}
       >
-        <FormControlLabel value={0} control={<Radio inputProps={{"data-testid": `radio-button-free`}} />} label="Free 10 day shipping" />
-        <FormControlLabel value={500} control={<Radio inputProps={{"data-testid": `radio-button-2day`}} />} label="$5.00 2-day shipping" />
-        <FormControlLabel value={2000} control={<Radio inputProps={{"data-testid": `radio-button-overnight`}} />} label="$20.00 overnight shipping" />
+        <FormControlLabel 
+          value={0} 
+          control={<Radio className={classes.radio} inputProps={{"data-testid": `radio-button-free`}} />} 
+          label="Free 10 day shipping"
+          classes={{ root: `${classes.radioLabel} ${shipping === 0 ? classes.radioLabelChecked : ''}` }}
+        />
+        <FormControlLabel 
+          value={500} 
+          control={<Radio className={classes.radio} inputProps={{"data-testid": `radio-button-2day`}} />} 
+          label="$5.00 2-day shipping"
+          classes={{ root: `${classes.radioLabel} ${shipping === 500 ? classes.radioLabelChecked : ''}` }}
+        />
+        <FormControlLabel 
+          value={2000} 
+          control={<Radio className={classes.radio} inputProps={{"data-testid": `radio-button-overnight`}} />} 
+          label="$20.00 overnight shipping"
+          classes={{ root: `${classes.radioLabel} ${shipping === 2000 ? classes.radioLabelChecked : ''}` }}
+        />
       </RadioGroup>
     </div>
   );