body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #2f8d4c;
  justify-content: center;
  align-items: center;
}

.container {
  display: flex;
  height: 100vh;
  justify-content: center;
  align-items: center;
}

nav {
  width: 11%;
  background-color: #e5c231;
  padding: 20px;
}

nav ul {
  list-style-type: none;
  padding: 0;
}

nav li {
  margin: 20px 0;
}

nav a {
  color: yellow;
  font-weight: bold;
  text-decoration: none;
  font-size: 18px;
}

main {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

main img {
  max-width: 80%;
  border: 5px solid #333;
  border-radius: 10px;
  justify-content: center;
  align-items: center;

}

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 15%;
}

.button {
  border: none;
  color: yellow;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
  transition-duration: 0.4s;
  cursor: pointer;
}

.button1 {
  background-color: #2f8d4c;
  color: Yellow;
  border: 2px solid #2f8d4c;
}

.button1:hover {
  background-color: #099900;
  color: white;
}

.button2 {
  background-color: #10547d;
  color: Yellow;
  border: 2px solid #10547d;
}

.button2:hover {
  background-color: #008CBA;
  color: white;
}