body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #0f4fd0;
}

header,
footer {
    background-color: rgba(73, 71, 71, 0.5);
}

.container {
  width: 75%;
  max-width: 1024px;
  margin: 0 auto;
  background: #f2f2f2;
  padding: 1em;
  background: url(images/logo.jpeg) center;
}

header, nav, footer {
  text-align: center;
  padding: 1em;
  background-color: none;
  margin-bottom: 1em;
  color: white;
}

nav ul {
  list-style-type: none;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: 2em;
}

nav a {
  text-decoration: none;
  color: white;
}

.three-columns {
  display: flex;
  gap: 1em;
}

.three-columns section {
  flex: 1;
  background-color: #f2f2f2;
  padding: 1em;
  text-align: center;
  border-radius: 8px;
}

.three-columns img {
  width: 100%;
  max-width: 150px;
  border-radius: 6px;
}

footer {
  margin-top: 2em;
  font-size: 0.9em;
  color: white;
}