* {
  margin: 0;
}

html, body {
  height: 100%;
}

h1, h2, h3, h4, h5, p {
  margin-bottom: 20px;
}

nav {
  position: fixed;
  width: 100%;
  height: 50px;
  background-color: rgba(0,0,0,.5);
  z-index: 99;
  text-align: center;
}

nav a {
  text-decoration: none;
  color: #fff;
  margin-left: 30px;
  line-height: 50px;
}

.sect {
  height: 100%;
  background-size: cover;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

.subSection {
  height: 50%;
  background-color: bisque;
}

.sectOne {
  background-image: url("../images/image1.jpg");
}

.sectTwo {
  background-image: url("../images/image2.jpg");

}

.sectThree {
  background-image: url("../images/image3.jpg");

}