body{

    background:#f4f4f4;
    font-family:Arial;

}

.login-box{

    width:350px;
    margin:100px auto;
    background:#fff;
    padding:30px;
    border-radius:10px;
    box-shadow:0 0 10px rgba(0,0,0,.2);

}

input{

    width:100%;
    padding:10px;
    margin:8px 0;
    box-sizing:border-box;

}

button{

    width:100%;
    padding:10px;
    background:#007bff;
    color:white;
    border:none;
    cursor:pointer;

}

button:hover{

    background:#0056b3;

}

.error{

    color:red;
    text-align:center;

}