body {
  font-size: 16px;
  line-height: 23px;
  overflow-y: scroll;
  color: #333;
}

body *::selection {
  background: #e74c3c;
  color: #fff;
}

.container {
  max-width: 980px;
}

.top-strip {
  background-color: #333;
  height: 0.25em;
  width: 100%;
}

h1,h2,h3 {
  /* font-weight: 300; */
  margin: 0;
  padding: 0;
}

h1 {
  margin: 0 0 10px;
  font-size: 2em;
  line-height: 35px;
}

h2 {
  font-size: 1em;
  line-height: 1.25;
  font-weight: 600;
}

.page-header {
  margin-top: 2em;
}

p.authors {
  margin-bottom: 5px;
  color: #808080;
  font-size: 20px;
}

p.authors a {
  border-color: #dedede;
}

img {
  max-width: 100%;
}

p {
  text-align: justify;
}

a {
  text-decoration: none;
  border-bottom: 1px solid #ccc;
  color: inherit;
}

p.lead.authors a {
  border-bottom: none;
}

a:hover, a:focus {
  color: inherit;
  text-decoration: none;
}

.past {
  opacity: 0.5;
}

.timer, .abstract-timer {
  font-size: 1.5em;
  line-height: 1.25em;
}

.checkbox {
  margin-right: 1em;
}

footer {
  margin-bottom: 2em;
}