@import url('https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@700&display=swap');
 body, html {
  margin: 0;
  padding: 20px 0 20px 0; /* add vertical padding */
  height: 100%;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  font-family: 'Roboto Mono', monospace;
  color: #00ffea;
  display: flex;
  justify-content: center;
  align-items: flex-start; /* align top so content starts below padding */
  overflow-y: auto; /* allow vertical scroll if needed */
}
.container {
  max-width: 700px;
  width: 100%;
  background: rgba(0, 15, 39, 0.85);
  padding: 30px 40px;
  border: 2px solid #00ffea;
  border-radius: 12px;
  box-shadow: 0 0 20px #00ffeaaa;
  user-select: none;
  margin-top: 10px; /* add some top margin */
}

  h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-align: center;
    letter-spacing: 0.15em;
    text-shadow: 0 0 10px #00ffeaff;
  }
  p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1rem;
  }
  ul {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
  }
  li {
    margin-bottom: 0.8rem;
  }
  a.button {
    display: inline-block;
    background: #00ffea;
    color: #000;
    font-weight: 700;
    padding: 10px 25px;
    border-radius: 10px;
    text-decoration: none;
    font-size: 1.2rem;
    box-shadow: 0 0 25px #00ffeaaa;
    text-align: center;
    transition: background 0.3s ease;
    user-select: none;
    margin-top: 20px;
  }
  a.button:hover {
    background: #00ddcc;
  }