body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #333;
  color: #fff;
}

header {
  background-color: #333; /* Verde */
  color: #fff;
  padding: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav ul {
  list-style: none;
  display: flex;
}

nav ul li {
  margin-right: 20px;
}

nav a {
  text-decoration: none;
  color: #fff;
}

.hero {
  background-color: black; /* Negro */
  color: #fff;
  text-align: center;
  padding: 100px 0;
}

.hero h1 {
  font-size: 3em;
  color: #2ecc71; /* Verde */
}

.hero p {
  font-size: 1.2em;
  margin-bottom: 20px;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  background-color: #2ecc71; /* Verde */
  color: #fff;
  text-decoration: none;
  border-radius: 5px;
}

section {
  padding: 50px 0;
}

.product img {
  max-width: 100%;
  height: auto;
  margin-bottom: 10px;
  /*border: 5px solid #2ecc71;  Verde */
  border-radius: 5px;
}

footer {
  background-color: black; /* Verde */
  color: #fff;
  text-align: center;
  padding: 10px 0;
}