body {
  color: gray;
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
  padding: 0;
}

main {
  width: 80%;
  margin-top: 1em;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 1em;
  padding: 10px;
  border: 1px solid gray;
}

a:link {
  text-decoration: underline;
  color: gray;
  background: #f8f8f8;
}

a:visited {
  text-decoration: underline;
  color: gray;
  background: #f8f8f8;
}

a:hover {
  text-decoration: underline;
  color: gray;
  background: #e8e8e8;
}

a:active {
  text-decoration: underline;
  color: gray;
  background: #e8e8e8;
}

h1 {
  font-size: 1.5em;
}

h2 {
  font-size: 1em;
}

h3 {
  font-size: 1em;
}

em {
  display: block;
  width: 60%;
  margin: 0 auto;
  text-align: center;
}

a.cta {
  display: inline-block;
  background: linear-gradient(90deg, #d9d9d9, #b5b5b5); /* light gray → medium gray */
  color: #1a1a1a; /* dark text on gray */
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 600;
  margin-top: 1rem;
}

a.cta:hover {
  opacity: 0.9;
}