body{
    font-family:Arial,Helvetica,sans-serif;
    background:#f4f4f4;
    margin:0;
    padding:0;
}

.login{
    width:380px;
    margin:80px auto;
    background:white;
    padding:30px;
    border-radius:10px;
    box-shadow:0 0 10px rgba(0,0,0,.15);
}

input{
    width:100%;
    padding:12px;
    margin-top:12px;
    box-sizing:border-box;
    font-size:16px;
}

button{
    width:100%;
    margin-top:18px;
    padding:12px;
    font-size:16px;
    cursor:pointer;
}

.error{
    color:#c00;
    margin-top:20px;
    font-weight:bold;
}