body {
  font-family: Consolas, monaco, monospace;
  padding: 15px;
  max-width: 800px;
  margin: auto;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  box-sizing: border-box;
}

header {
  margin-bottom: 20px;
}

header > img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  display: inline-block;
}

header > nav {
  display: inline-block;
  padding: 5px;
  margin-left: 15px;
  align-items: top;
}

header > nav,
h1 {
  margin-top: 5px;
  margin-bottom: 5px;
}

header > nav > a {
  padding: 5px;
  border-left: 5px solid forestgreen;
  padding-left: 5px;
  display: inline-block;
}

.flex {
  display: flex;
}

.fill {https://www.duolingo.com/profile/crhide
  flex-grow: 1;
}

img {
  max-width: 80%;
}