body{
font-family: Arial;
background:#0f172a;
color:white;
text-align:center;
padding:40px;
}

.box{
background:#1e293b;
padding:30px;
margin:20px auto;
width:400px;
border-radius:10px;
}

input{
width:90%;
padding:10px;
margin:10px;
}

button{
padding:10px 20px;
background:#22c55e;
border:none;
color:white;
cursor:pointer;
}