body{
font-family: Arial;
background:#f4f4f4;
text-align:center;
}

h1{
background:#2c3e50;
color:white;
padding:15px;
}

.scanner-section{
margin:20px;
}

#barcodeInput{
padding:10px;
font-size:18px;
width:300px;
}

table{
width:80%;
margin:auto;
border-collapse:collapse;
background:white;
}

th,td{
padding:10px;
border:1px solid #ddd;
}

button{
padding:8px 15px;
background:#27ae60;
color:white;
border:none;
cursor:pointer;
}

button:hover{
background:#2ecc71;
}

.checkout{
margin-top:30px;
}

#phone{
padding:10px;
width:250px;
}