html, body {
    height: 100%;
    margin: 0;
    font-family: 'Terminal', 'Courier New', Courier, monospace;
    background: linear-gradient(to bottom, #1a1a1a, #333); /* Dark gradient background */
    color: #f5f5f5; /* Light text for contrast */
}

.container-fluid {
    display: flex;
    flex-direction: column;
    height: 100vh; /* Full height */
}

.header {
    background: #212529; /* Darker header for better contrast */
    color: #f8f9fa;
    text-align: center;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
    letter-spacing: 1px;
}

.main-content {
    flex-grow: 1; /* Takes remaining height */
    display: flex;
    justify-content: center;
    align-items: center;
}

.content-box {
    width: 100%;
    max-width: 600px;
    height: 100%; /* Full height */
    background: rgba(248, 249, 250, 0.95); /* Slight transparency */
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.15);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
    border: 2px solid #ffcc00; /* Yellow accent border */
}

/* Style Links */
a {
    color: black;
    background-color: yellow;
    padding: 3px 6px;
    border-radius: 3px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease-in-out;
}

a:hover {
    background-color: black;
    color: yellow;
    text-decoration: underline;
}

/* Blinking Animation */
@keyframes blink {
    0% {
        opacity: 1;
        color: red;
    }
    50% {
        opacity: 0;
        color: blue;
    }
    100% {
        opacity: 1;
        color: green;
    }
}

.blinking {
    animation: blink 1.5s 3;
}


/* Responsive Improvements */
@media (max-width: 768px) {
    .header {
        height: auto;
        padding: 10px;
    }
    .content-box {
        max-width: 90%;
    }
}