body{

background:#f3f5f8;

font-family:Poppins,sans-serif;

}

.checkout-box{

background:white;

padding:40px;

border-radius:20px;

box-shadow:0 10px 30px rgba(0,0,0,.12);

}

.product-card{

display:flex;

align-items:center;

gap:20px;

background:#fafafa;

padding:20px;

border-radius:15px;

}

.product-card img{

width:180px;

border-radius:15px;

}

.form-control{

height:50px;

border-radius:10px;

}

label{

margin-bottom:8px;

font-weight:600;

}

.btn-success{

height:55px;

font-size:18px;

border-radius:10px;

}

h3{

font-weight:bold;

}

@media(max-width:768px){

.product-card{

flex-direction:column;

text-align:center;

}

}