a {
  color: #337ab7;
}

body {
  font-family: serif;
  font-size: 18px;
  line-height: 30px;
}

h1, h2, h3, p, table, dl, ol, ul {
  margin: 20px;
}

p, h1, h2, h3, h4, h5, h6, li {
  text-align: justify;
}

p, ul, ol {
  margin-top: 0px;
  text-align: justify;
}

h1 {
  font-size: 36px;
}

h2 {
  font-size: 30px;
}

h3 {
  font-size: 24px;
}

h4 {
  font-size: 18px;
}

.break {
  flex-basis: 100%;
  height: 0;
}

ul {
  margin-left: 20px;
}

hr {
  width: 100%;
}

table {
  margin-top: 0;
  width: 100%;
}

.table td, .table th {
  border: none;
}

#navbar {
  border-bottom: 1px solid #e7e7e7;
  padding-top: 0;
  padding-bottom: 0;
}

.navbar-light .navbar-nav .nav-link {
  padding-top: 10px;
  padding-bottom: 10px;
  padding-left: 15px;
  padding-right: 15px;
}

.navbar-light .navbar-nav .nav-link a {
  color: #777;
  padding: 0;
}

.navbar .navbar-nav {
  margin-top: 0;
}

.navbar-light .navbar-toggler {
  border: none;
}

#content {
  padding-bottom: 60px;
}

.row {
  margin: 20px;
}

.schedule {
  margin: 5px;
}

table .time {
  width: 160px;
}

:target::before {
  content: "";
  display: block;
  height: 60px;
  margin: -60px 0 0;
}

@media (min-width: 1024px) {
  .container {
    width: 1024px;
  }

  .navbar .navbar-nav {
    float: none;
    vertical-align: top;
  }

  .navbar .navbar-collapse {
    text-align: center;
  }
}

.person {
  display: inline-block;
  max-width: 9em;
  vertical-align: top;
  margin: 0 2em 1em 0em;
  text-align: center;
  line-height: 1em;
}

.person > img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  border-radius: .2em;
}

.person > a {
  display: inline-block;
  padding: .3em 0.5em .2em;
  margin: 0 -1em;
}

.person > span {
  display: inline-block;
  font-size: 0.8em;
  margin: 0 -1em;
}

.speakers-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 9em));
  justify-content: center;
  gap: 1.75em 2em;
  width: 100%;
}

.speakers-grid .person {
  display: block;
  margin: 0;
}

@media (max-width: 700px) {
  .speakers-grid {
    grid-template-columns: repeat(2, minmax(0, 9em));
  }
}

@media (max-width: 420px) {
  .speakers-grid {
    grid-template-columns: minmax(0, 9em);
  }
}