body {
  font-family: 'Open Sans', sans-serif;
  margin: 0;
  background-color: #FFFFFF;
  color: #0B2B5B;
}
header {
  background-color: #0B2B5B;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 40px;
}
header img {
  height: 60px;
}
nav a {
  color: #FFFFFF;
  text-decoration: none;
  margin: 0 15px;
  font-weight: 600;
}
nav a:hover {
  color: #5BC0F8;
}
.btn-italgas {
  background: linear-gradient(90deg, #5BC0F8, #FFFFFF);
  color: #0B2B5B;
  padding: 10px 22px;
  border-radius: 25px;
  font-weight: bold;
  text-transform: uppercase;
}
.hero {
  text-align: center;
  padding: 100px 20px;
  background-color: #F8FAFC;
}
.hero h1 {
  font-family: 'Montserrat', sans-serif;
  color: #0B2B5B;
  font-size: 2.2em;
}
.hero p {
  font-size: 1.2em;
  color: #333;
}
footer {
  background-color: #0B2B5B;
  color: white;
  text-align: center;
  padding: 20px;
  font-size: 0.9em;
  margin-top: 60px;
}