index.css

* {
  margin: 0;
}

body {
  height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  font-size: 1.25rem;
  background-color: #0F2027;
  color: #fff;
  background-image: linear-gradient(to bottom, #2C5364, #203A43, #0F2027);
  background-repeat: no-repeat;
}

header {
  background-color: #273642;
  min-height: 50px;
  box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.25);
}

ul {
  list-style: none;
}

.menu {
  display: flex;
  justify-content: center;
  gap: 60px;
  padding: 20px;
}

.menu a {
  text-decoration: none;
  color: #fff;
}

main {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  align-items: center;
  text-align: center;
  padding: 10px;
  margin: 0 auto;
  row-gap: 60px;
}

.about-cover {
  margin-top: 20px;
}

.about-cover h1 {
  padding: 20px;
}

.about-cover img {
  max-width: 300px;
  border-radius: 50%;
  display: inline-block;
}

.about-summary {
  line-height: 2rem;
  justify-self: center;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 60ch;
}