body{
font-family: Arial;
background:#f4f6f8;
text-align:center;
margin:0;
padding:0;
}

.container{
margin-top:100px;
}

h1{
color:#333;
}

.upload-box{
background:white;
padding:30px;
width:400px;
margin:auto;
box-shadow:0 0 10px rgba(0,0,0,0.1);
border-radius:10px;
}

input, select{
width:100%;
padding:10px;
margin:10px 0;
}

button{
background:#007bff;
color:white;
border:none;
padding:12px;
width:100%;
cursor:pointer;
border-radius:5px;
}

button:hover{
background:#0056b3;
}

.download-btn{
display:inline-block;
padding:12px 20px;
background:green;
color:white;
text-decoration:none;
border-radius:5px;
}