/* This is a CSS comment. It's just for notes! */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter",
                 Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans",
                 "Helvetica Neue", sans-serif;
    line-height: 1.6;
    background-color: #f0f2f5; /* A nice, soft gray background */
    color: #333;
    margin: 0;
    padding: 0;
}

/* This styles a "main" container we are about to add */
main {
    max-width: 800px;
    margin: 40px auto; /* Centers the box with 40px top/bottom margin */
    padding: 20px 40px;
    background-color: #ffffff;
    border-radius: 12px; /* Modern rounded corners */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05); /* A subtle shadow */
}

h1 {
    color: #1a73e8; /* A nice blue for the heading */
}