body {
    font-family: Arial, sans-serif;
    background:#f2f2f2;
}


.login-box {

    width:350px;
    margin:120px auto;
    background:white;
    padding:30px;
    border-radius:10px;
    box-shadow:0 0 15px #ccc;

}


h2 {
    text-align:center;
}


label {

    display:block;
    margin-top:15px;

}


input {

    width:100%;
    padding:10px;
    margin-top:5px;
    box-sizing:border-box;

}


button {

    width:100%;
    margin-top:20px;
    padding:12px;
    background:#1976d2;
    color:white;
    border:0;
    border-radius:5px;
    cursor:pointer;

}


.error {

    background:#ffdddd;
    padding:10px;
    margin-bottom:10px;

}


.container {

    width:900px;
    margin:50px auto;
    background:white;
    padding:30px;
    border-radius:10px;

}