* {
  color: #222;
}

body {
  background-color: #8EE4AF;
  display: flex;
  justify-content: center;
}

section {
  width: 60%;
  margin-left: 40px;
}

h1, p {
  font-family: Verdana, Arial, Helvetica, sans-serif;
}

nav {
  width: 200px;
}

nav > img {
  width: 100%;
  border-radius: 50%;
}

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

nav li {
  margin: 5px 0;
}

nav li a {
  display: block;
  background-color: #379683;
  border-radius: 3px;
  padding: 5px 0;
  text-align: center;
  width: 100%;
  height: 100%;
  color: #fff;
  font-weight: bold;
  text-decoration: none;
  font-family: Helvetica, Arial, sans-serif;
}

nav li a:hover {
  background-color: #05386B;
}

article {
  padding: 20px;
  background-color: #EDF5E1;
  border-radius: 4px;
  border: 1px solid #379683;
}

article p:first-child {
  margin-top: 0;
}

article p:last-child {
  margin-bottom: 0;
}

@media (max-width: 600px) {
  body {
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
  }

  section {
    margin: auto;
    width: 90%;
  }
}