main {
  display: block;
  width: 88%;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 30px;
}
section {
  margin-top: 35px;
  margin-bottom: 35px;
}
hr {
  height: 2px;
  background-color: darkgrey;
  border: none;
}
hr.short {
  width: 40%;
}
hr.long {
  width: 100%;
}
h2 {
  display: block;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  margin-top: 40px;
  margin-bottom: 40px;
}
#title-author {
  margin-top: 60px;
  margin-bottom: 40px;
}
#title-author h1 {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 90%;
  text-align: center;
  font-size: 1.4rem;
  font-weight: normal;
  margin-bottom: 30px;
}
#title-author sup {
  font-size: 0.9rem;
}
#title-author h2 {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 90%;
  text-align: center;
  font-size: 1.1rem;
  font-weight: normal;
}
#title-author img {
  display: block;
  margin-left: auto;
  margin-right: auto;
  margin-top: 30px;
  margin-bottom: 30px;
  width: 300px;
  border-radius: 4px;
  box-shadow: 0px 8px 8px lightgray;
}
#headmatter {
  margin-top: 30px;
  margin-bottom: 30px;
}
#headmatter h3 {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 90%;
  text-align: center;
  font-size: 0.9rem;
  font-weight: normal;
}
#thrypt-nav ul {
  list-style-type: none;
  display: block;
  margin-left: auto;
  margin-right: auto;
  padding-left: 0px;
  text-align: center;
  margin-bottom: 25px;
}
#thrypt-nav li {
  margin-bottom: 4px;
}
#overv p:last-of-type {
  margin-bottom: 40px;
}
.tfig {
  display: block;
  width: min-content;
}
.tfig figcaption {
  display: block;
  margin-left: auto;
  margin-right: auto;
  font-size: 0.8rem;
  width: 98%;
}
#tfig1 {
  margin-left: auto;
  margin-right: auto;
  margin-top: 50px;
  margin-bottom: 50px;
}
#tfig2 {
  margin-left: 30px;
  float: right;
}
.bottom-section-nav {
  display: block;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  font-size: 0.9rem;
  margin-bottom: 0px;
}
.thr-fig-hldr {
  display: block;
  width: 100%;
  position: relative;
  margin-bottom: 80px;
}
.thr-fig-hldr img {
  max-width: 1125px;
}
.thrypt-finding p:last-of-type {
  margin-bottom: 40px;
}
.thrypt-finding figure {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: min-content;
}
.thrypt-finding figcaption {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 98%;
}
.fnum {
  display: inline-block;
  background-color: #d9d9d9; /* e6e6e6 */
  padding-left: 10px;
  padding-right: 10px;
  margin-right: 8px;
  border-radius: 5px;
  color: #333333; /* 404040 */
}
.thr-fig-nav {
  position: absolute; /* direction: rtl; */
  width: 60px; /* 120px*/
  top: 30px; right: -80px; /*right -140 */
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.thr-fig-nav img {
  margin-top: 12px;
  margin-bottom: 12px;
  border-radius: 0px;
  box-shadow: none;
  width: 22px;
  opacity: 0.24;
}
.zoom {
  display: none;
}
#hosts h3 {
  display: block;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  margin-top: 5px;
  margin-bottom: 0px;
  font-size: 1.3rem;
  font-weight: normal;
  text-decoration: underline;
  text-transform: uppercase;
}
#hosts h3 a {
  text-decoration: none;
  color: black;
}
#hosts h4 {
  display: block;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  margin-top: 25px;
  margin-bottom: 25px;
  font-size: 1.1rem;
  font-weight: bold;
}
#hosts h5 {
  display: inline;
  font-size: 1.0rem;
}
#hosts p {
  display: inline;
  font-size: 1.0rem;
}
#hosts p.date {
  display: block;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  margin-top: 0px;
  margin-bottom: 0px;
}
#hosts p.date:first-of-type {
  margin-top: 8px;
}
#hosts p.date:last-of-type {
  margin-bottom: 50px;
}
#hosts ul {
  margin-left: 0px;
  padding-left: 0px;
  list-style-type: none;
}
#hosts li {
  margin-bottom: 15px;
}
#host-list {
  display: block;
  margin-top: 35px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 100px;
  width: 82%;
  padding: 40px;
  border: 3px solid rgb(230 230 230);
  border-radius: 10px;
}
#notes ol {
  margin-bottom: 40px;
}
#notes li {
  margin-bottom: 15px;
}
#refs p {
  margin-left: 20px;
  text-indent: -20px;
}
#thrypt-pagebottom-nav {
  display: block;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  font-size: 1.2rem;
  margin-top: 50px;
  margin-bottom: 50px;
}
#refs, #notes {
  overflow-wrap: anywhere;
}

/* media queries*/
@media (max-width: 1400px) {
  #column {
    border-right: none;
    border-left: none;
  }
  .thr-fig-hldr img {
    max-width: 78vw;
  }
  .tfig img, #bfig {
    max-width: 78vw;
  }
  .thr-fig-nav img {
    max-width: 5vw;
  }
}
@media (max-width: 1080px) {
  #column {
    width: 100%;
  }
  #tfig2 {float: none; margin-left: auto; margin-right: auto;}
  .thr-fig-nav {
    position: absolute; /* direction: rtl; */
    width: 50px;
    top: 0px; right: -30px; /*top 55px */
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  .thr-fig-nav img {
    max-width: 3vw;
  }
}
@media (max-width: 800px) {
  #host-list {
    width: 90%;
    padding: 3px;
    margin-left: auto;
    margin-right: auto;
  }
}
@media (max-width: 500px) {
  a {overflow-wrap: anywhere;}
  .thr-fig-nav {
    display: none;
  }
}
@media (max-width: 350px) {
  section {font-size: 0.6rem;}
  #title-author h1 {font-size: 0.8rem;}
  #title-author sup {font-size: 0.6rem;}
  #title-author h2 {font-size: 0.7rem;}
  #headmatter h3 {font-size: 0.6rem;}
  .tfig figcaption {font-size: 0.6rem;}
  #hosts h3, #hosts h4, #hosts h5 {font-size: 0.6rem;}
  #hosts p {font-size: 0.6rem;}
  h2 {font-size: 0.7rem;}
}