body {
  background: #0b4d2b;
  color: white;
  font-family: Georgia, serif;
  padding: 40px;
}

/* HEADER */
.header {
  border: 3px solid white;
  padding: 20px;
  text-align: center;
  margin-bottom: 20px;
}

.header h1 {
  font-size: 48px;
  margin: 0;
}

/* MENU */
.menu {
  margin-bottom: 30px;
}

.menu-box {
  display: inline-block;
  border: 2px solid white;
  padding: 10px 16px;
  margin-right: 10px;
  color: white;
  text-decoration: none;
}

.menu-box:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* CONTENT */
.content {
  display: flex;
  gap: 20px;
}

.window {
  border: 3px solid white;
  padding: 20px;
}

.about {
  width: 30%;
}

.main {
  width: 70%;
}