body{
    font-family:Arial;
    background:#f4f4f4;
    text-align:center;
    margin-top:50px;
}

input{
    padding:10px;
    width:220px;
}

button{
    padding:10px 20px;
    margin-left:10px;
}

.card{
    margin:30px auto;
    width:300px;
    background:white;
    border-radius:15px;
    padding:20px;
    box-shadow:0 0 15px rgba(0,0,0,.15);
}