/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Body */
body {
    font-family: Arial, sans-serif;
    background-color: #d3d3d3;
    text-align: center;
}

/* Header */
header {
    background-color: #146c80;
    color: white;
    padding: 25px 0;
}

header h2 {
    margin-bottom: 5px;
}

/* Main Content */
main {
    margin: 30px;
}

main h3 {
    margin-bottom: 20px;
}

/* Image Styling */
.main-img {
    width: 550px;
    max-width: 90%;
    border: 4px solid #00ff00;
    border-radius: 5px;
}

/* Caption */
figcaption {
    margin-top: 10px;
    font-size: 14px;
}

/* Footer */
footer {
    background-color: #146c80;
    color: white;
    padding: 15px;
    margin-top: 30px;
}