body {
  margin: 0;
  padding: 0;
  background-color: #f0f4ff;
  color: #000;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 20px;
  line-height: 1.35;
}

.tiny-text {
  font-size: 25px;
}

.page {
  max-width: 2000px;
  margin: 0 auto;
  padding: 10px 24px 20px 24px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
}

.site-title {
  font-size: 300%;
  font-weight: bold;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.header-nav a {
  color: rgb(166, 0, 255);
  text-decoration: none;
}

.header-nav a:hover {
  text-decoration: underline;
}

.selected-tab a,
a.selected-tab {
  text-decoration: underline;
}

hr {
  border: none;
  border-top: 1px solid #666;
  margin: 12px 0 16px 0;
}

main {
  width: 100%;
}

.profile-photo {
  float: right;
  width: 450px;
  max-width: 50%;
  min-width: 240px;
  margin: 0 0 18px 28px;
  border: none;
}

p {
  margin: 0 0 18px 0;
}

h2 {
  font-size: 200%;
  margin: 28px 0 12px 0;
  font-weight: bold;
}

ul {
  margin-top: 0;
  margin-bottom: 24px;
}

li {
  margin-bottom: 8px;
}

a {
  color: rgb(166, 0, 255);
}

@media (max-width: 900px) {
  .header {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-title {
    font-size: 220%;
  }

  .profile-photo {
    float: none;
    display: block;
    width: 90%;
    max-width: 450px;
    margin: 0 auto 18px auto;
  }

  body {
    font-size: 17px;
  }

  h2 {
    font-size: 220%;
  }
}

.reading-list {
  margin-top: 0;
  padding-left: 22px;
}

.reading-list li {
  margin-bottom: 6px;
}

.reading-divider {
  border: none;
  border-top: 1px solid #666;
  margin: 18px 0;
}