body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background: #fFF;
    font-family: Arial, sans-serif;
}

#box {
   
    background:#fff;
   
}

h2 {
    text-align: center;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
}

 input {
    width: 100%;
    padding: 10px;
    border: 1px solid #aaa;
    border-radius: 5px;
}

#button {
    width: 100%;
    padding: 10px;
    font-size: 16px;
    color: white;
    border: none;
    border-radius: 5px;
    background: #7754F6;
    cursor: pointer;
    transition: background 0.3s;
}


.alert {
    text-align: center;
    margin-top: 10px;
}

.alert a {
    font-weight: bold;
    text-decoration: none;
    color: skyblue;
}

.alert a:hover {
    text-decoration: underline;
    color: #333;
}

/* Media queries */
@media (max-width: 768px) {
    #box {
        width: 80%;
        padding: 15px;
    }

    #button {
        font-size: 14px;
        padding: 8px;
    }
}

@media (max-width: 480px) {
    #box {
        width: 95%;
        padding: 10px;
    }

    #button {
        font-size: 12px;
        padding: 6px;
    }
}