* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    outline: none;
    border: none;
    text-decoration: none;
    transition: .2s linear;
}

.container {
    max-width: 1200px; /* Ensure the container has a max width for centered alignment */
    margin: 0 auto; /* Center the container horizontally */
    padding: 20px; /* Add some padding */
}

.heading {
    text-align: center;
    padding-bottom: 20px;
    color: #00a651;
    text-shadow: 0 5px 10px rgba(0,0,0,.2);
    font-size: 40px;
    padding-top: 20px;
}

.row {
    justify-content: center; /* Center the cards inside the row */
}

.card {
    position: relative;
    border-radius: 10px;
    background: #ebf3f2;
    text-align: center;
    box-shadow: 0px 5px 10px rgba(0, 0, 0, 0.2);
    padding-bottom: 15px;
    margin: 20px;
    width: 100%;
    max-width: 330px; /* Set a max-width to ensure all cards are uniform */
    overflow: hidden; /* Ensure overlay content stays inside the card */
}

.card img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    transition: transform 0.3s ease; /* Smooth zoom effect */
}

.card h3 {
    color: #444;
    font-size: 22px;
    padding: 8px 0px;
}

.card-content h3 {
    font-size: 28px;
    margin-bottom: 2px;
}

.card-content p {
    color: #666;
    line-height: 1.3;
}

/* Image container and overlay for the hover effect */
.img-container {
    position: relative;
    width: 100%;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6); /* Semi-transparent black background */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    opacity: 0; /* Hidden by default */
    transition: opacity 0.3s ease;
    padding: 20px;
    text-align: center;
    border-radius: 10px;
}

.description {
    margin-bottom: 10px;
    font-size: 16px;
}

.overlay a {
    background-color: #00a651;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.overlay a:hover {
    background-color: #008c3a;
}

/* Hover effects */
.img-container:hover img {
    transform: scale(1.1); /* Slight zoom effect */
}

.img-container:hover .overlay {
    opacity: 1; /* Show overlay when hovered */
}

.card:hover {
    box-shadow: 5px 10px 15px rgba(0, 0, 0, .3);
    transform: scale(1.03);
}

/* Responsive for tablets */
@media (max-width: 768px) {
    .card {
        width: 85%;
        margin: 20px auto; /* Center cards on smaller screens */
    }
}