/* === Reset some default spacing === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* === Make the whole page centered === */
body {
  font-family: Arial, sans-serif;
  background: #111;          /* page background color */
  color: #f5f5f5;            /* text color */
  min-height: 100vh;         /* full height */
  display: flex;             /* center everything */
  justify-content: center;   /* horizontally center */
  align-items: center;       /* vertically center */
}

/* === Main content box === */
.main {
  background: #1e1e1e;       /* box background */
  padding: 20px;
  border-radius: 10px;
  max-width: 700px;
  width: 90%;
  text-align: center;        /* center text and inline stuff */
  border: 1px solid #444;
}

/* === Headings === */
.main h1 {
  font-size: 2rem;
  margin-bottom: 10px;
}

.main h2 {
  font-size: 1.4rem;
  margin: 15px 0 8px;
}

/* === Paragraphs === */
.main p {
  margin-bottom: 10px;
  line-height: 1.5;
}

/* === Links === */
.main a {
  color: #ffcc66;
  text-decoration: none;
}

.main a:hover {
  text-decoration: underline;
}

/* === Images: centered and responsive === */
.main img {
  max-width: 100%;   /* never overflow the box */
  height: auto;
  display: block;    /* so margin: 0 auto works */
  margin: 10px auto; /* center image */
  border-radius: 6px;
  border: 1px solid #333;
}

/* === Simple button-style link === */
.button {
  display: inline-block;
  padding: 8px 14px;
  margin-top: 10px;
  background: #ffcc66;
  color: #111;
  border-radius: 4px;
  font-weight: bold;
}

.button:hover {
  background: #ffd98f;
}

/* === Little “card” sections you can reuse === */
.card {
  background: #252525;
  border-radius: 8px;
  padding: 12px;
  margin: 10px 0;
  border: 1px solid #333;
}