.no-access-page,
.no-access-page * {
    box-sizing: border-box;
}

.no-access-page {
    font-family: Tahoma, Arial, sans-serif;
    background: #f4f6f9;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

    .no-access-page .no-access-box {
        background: #fff;
        padding: 40px;
        border-radius: 12px;
        text-align: center;
        box-shadow: 0 5px 20px rgba(0,0,0,.1);
    }

    .no-access-page h1 {
        color: red;
        margin-bottom: 15px;
    }

    .no-access-page p {
        color: #666;
        font-size: 16px;
    }