.overview {
    background-color: #e3f2fd;
    /* Light blue background */
    border: 1px solid #90caf9;
    /* Light blue border */
    border-radius: 8px;
    padding: 15px;
    margin-top: 20px;
}

.overview h4 {
    color: #1976d2;
    /* Darker blue for subheadings */
}

.overview p {
    font-size: 16px;
    line-height: 1.5;
    /* Improved readability */
}

.contain {
    margin: 0 auto;
    padding: 40px;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.card-title {
    color: #007bff;
}

.container-fluid h1 {
    color: #007bff;
    margin-bottom: 20px;
}

.container-fluid h3 {
    margin-top: 30px;
    color: #007bff;
}

.container-fluid pre {
    background-color: #e9ecef;
    border-radius: 5px;
    padding: 10px;
    overflow-x: auto;
}