body{
font-family:
Arial,
sans-serif;

background:
linear-gradient(
135deg,
#111827,
#374151
);

height:100vh;

display:flex;
align-items:center;
justify-content:center;

color:white;
}


.box{

background:white;

color:#111;

padding:50px;

border-radius:20px;

text-align:center;

width:500px;

}


.price{

font-size:30px;

margin:30px;

}


.btn{

background:#2563eb;

color:white;

padding:15px 40px;

border-radius:10px;

text-decoration:none;

}