body{
 font-family:Arial;
 background:#f5f5f5;
 display:flex;
 justify-content:center;
 align-items:center;
 height:100vh;
}

.auth-container{
 background:white;
 padding:40px;
 width:320px;
 border-radius:10px;
 box-shadow:0 10px 30px rgba(0,0,0,0.1);
 text-align:center;
}

.auth-container input{
 width:100%;
 padding:10px;
 margin-bottom:15px;
 border:1px solid #ddd;
}

.auth-container button{
 width:100%;
 padding:10px;
 background:black;
 color:white;
 border:none;
 cursor:pointer;
}