body {
  padding: 0;
  margin: 0;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
}

header {
  background-color: #005d87;
  color: #ffffff;
  padding: 0.5rem 1rem;
  font-family: Cambria, Cochin, Georgia, Times, "Times New Roman", serif;
  display: grid;
  grid-template-columns: 1f;
  align-items: center;
}

header h1 {
  margin: 0;
  font-weight: 700;
  font-variant: small-caps;
}

header h1 span {
  font-weight: 100;
}

header p {
  margin: 0;
}

header ul {
  margin: 0;
  padding: 0;
  border-top: 1px solid #1a6d93;
}

header li {
  display: inline-block;
  padding: 0.3rem 0.1rem;
  list-style: none;
  font-weight: bold;
  font-size: 0.9rem;
}

header a {
  text-decoration: none;
  color: white;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: Cambria, Cochin, Georgia, Times, "Times New Roman", serif;
}

footer {
  background-color: #005d87;
  color: #ccdfe7;
  padding: 0.5rem 1rem;
}

main {
  padding: 0.5rem 1rem;
}

.conference-wrapper,
.contact-wrapper {
  display: grid;
  text-align: center;
  height: 85vh;
  background: linear-gradient(#f5f5f5, #ffffff);
}

.conference-wrapper .conference,
.contact-wrapper .contact {
  place-self: center;
}

.conference h1 {
  color: #005d87;
  text-shadow: 2px 2px #ccdfe7;
}

.conference a {
  text-decoration: none;
  background-color: #4d8415;
  color: #ffffff;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
}

.conference a:hover {
  background-color: #719d44;
}

.time-table div.row:nth-child(odd) {
  background-color: aliceblue;
}

.time-table div.row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  padding: 0.5rem;
}

.week,
.bio,
.beliefs {
  display: grid;
  grid-template-columns: 1fr;
}

.bio img {
  width: 90vw;
}

@media screen and (min-width: 768px) {
  header {
    grid-template-columns: 1fr 1fr;
  }

  header ul {
    border: none;
    text-align: end;
  }

  header li {
    padding: 0.2rem 0.5rem;
    font-size: 1rem;
  }

  .week {
    display: grid;
    grid-gap: 1rem;
    grid-template-columns: 1fr 1fr;
  }

  .bio,
  .beliefs {
    display: grid;
    grid-gap: 1rem;
    grid-template-columns: 2fr 1fr;
  }

  .bio img {
    width: 33vw;
  }
}

@media screen and (min-width: 1024px) {
  .week {
    display: grid;
    grid-gap: 1rem;
    grid-template-columns: 1fr 1fr 1fr;
  }
}