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

.container{
display:flex;
flex-direction:column;
width:300px;
margin:auto;
gap:10px;
}

input,select,button{
padding:10px;
border-radius:8px;
border:none;
}

button{
background:#22c55e;
color:white;
font-weight:bold;
cursor:pointer;
}

.card{
background:#1e293b;
margin:10px auto;
padding:15px;
border-radius:10px;
width:300px;
}