body {
font-family:'Gill Sans', 'Gill Sans MT', 'Calibri', 'Trebuchet MS', sans-serif;
font-size: 20px;
background-color: rgb(255, 255, 255);
margin: 0%;
padding: 0%;
}
header {
    background-color: rgb(60, 60, 153);
    color: white;
    padding: 20px;
    text-align: center;
}
nav {
  background-color: #f4f4f4;
  padding: 10px;
}
nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: center;
}
nav ul li {
  display: inline;
  margin-right: 20px;
}
nav ul li a {
  color: #c50808;
  text-decoration: none;
}
nav ul li a:hover {
  color: #777;
}
section {
  padding: 20px;
}
footer {
  background-color: #c50808;
  color: #fff;
  padding: 20px;
  text-align: center;
}

header {
  background-image: url("../image/oaxgif.gif");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  height: 250px;

  display: flex;
  justify-content: center;
  align-items: center;
}

header h2 {
  color: white;
  font-size: 40px;
  background-color: rgba(0,0,0,0.5);
  padding: 10px 20px;
  border-radius: 10px;
}

h1, h2, h3 {
  text-align: center;
}