body {
  background-color: #c6d7ef;
  font-family: Verdana, Arial, sans-serif;
  margin: 0;
  padding: 0;
}

#topbar {
  background: #2c3e50;
  color: white;
  padding: 8px;
  text-align: center;
  font-size: 14px;
}

#container {
  width: 900px;
  margin: 20px auto;
  background: white;
  border: 2px solid #000;
  padding: 10px;
}

#header {
  text-align: center;
  margin-bottom: 15px;
}

#nav {
  background: #ececec;
  padding: 8px;
  text-align: center;
  font-size: 14px;
  border: 1px solid #bbb;
  margin-bottom: 15px;
}

#nav a {
  color: #0044cc;
  text-decoration: none;
  margin: 0 5px;
}

#content h1 {
  font-size: 20px;
  color: #222;
}

.game-list {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
}

.game-box {
  background: #f9f9f9;
  border: 1px solid #aaa;
  padding: 5px;
  text-align: center;
  width: 120px;
}

#footer {
  margin-top: 20px;
  text-align: center;
  font-size: 12px;
  color: #555;
}