body{
  background: white;
  color: white;
  font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
  margin: 0;
  padding: 0;
}

header {
  background: black;
  height: 100px;
  padding: 20px;
}

header {
  color: white;
  text-decoration: none;
  text-transform: uppercase;
  margin-top: 40px;
}

section {
  background: white;
  color: gray;
  padding: 20px;
  display: flex;
  flex-direction: row;
}

nav ul {
  margin: 0;
  padding: 0;
  list-style-type: none;
}

nav li {
  display: inline-block;
  margin-right: 20px;
}

.features {
  background: white;
  color: gray;
  padding: 20px;
  display: flex;
  flex-direction: row;
}

.features figure {
  margin: auto;
  text-align: center;
  text-transform: uppercase;
  width: 200px;
}

.features figure img {
  border: 1px solid white;
  border-radius: 50%;
  box-shadow: gray 0 0 10px;
  width: 200px;
}




footer {
  background: black;
  color: gray;
  font-size: 12px;
  padding: 20px 20px;
  text-align: center;
}