body {
    background: url('/img/background.jpg') no-repeat center center fixed;
    background-size: cover;
    margin: 0;
    padding: 0;
}

.overlay {
    background: rgba(0, 0, 0, 0.6);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.container-box {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
}

.logo {
    width: 100px;
    margin-bottom: 10px;
}

.clock {
    font-size: 15px;
    font-weight: bold;
    margin-bottom: 10px;
    transition: color 0.5s ease-in-out;
}

.quote {
    font-style: italic;
    color: #f8f9fa;
    font-size: 14px;
    margin-bottom: 20px;
    max-width: 80%;
}

.text-white {
    color: #fff;
}

.btn-login {
    width: 30%;
    font-size: 15px;
    font-weight: bold;
    padding: 10px;
    border-radius: 10px;
    margin-bottom: 10px;
}

.footer {
    margin-top: 20px;
    font-size: 12px;
    color: #ddd;
}

h3, h2 {
    font-size: 30px;
    color: #fff;
}

@media (max-width: 768px) {
    .btn-login {
        width: 80%;
    }
}