body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #121212;
    color: #e0e0e0;
}

#overlay {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: black;
    color: white;
    height: 100%;
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    transition: opacity 1s ease;
}

#click-text {
    font-size: 2.5em;
    cursor: pointer;
    transition: transform 0.3s ease;
}

#click-text:hover {
    transform: scale(1.1);
}

#main-content {
    display: none;
    padding: 20px;
    text-align: center;
    opacity: 0;
    transition: opacity 1s ease;
}

.content-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 50px;
}

.reactive-box {
    width: 60%;
    max-width: 600px;
    margin-bottom: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.reactive-box img {
    width: 100%;
    height: auto;
    border-radius: 10px;
}

.reactive-box:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
}

.content-details h1 {
    font-size: 2em;
    margin-bottom: 20px;
    color: #f5f5f5;
}

.content-details p {
    font-size: 1.2em;
    margin-bottom: 20px;
}

.btn {
    padding: 10px 20px;
    margin: 10px;
    font-size: 1em;
    color: #121212;
    background-color: #e0e0e0;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.btn:hover {
    background-color: #f5f5f5;
    color: #121212;
}