body {
  margin: 100px 0px;
  min-height: 100%;
  background-color: #fdfdfd;
  font-family: 'Source Sans 3', sans-serif;
  color: #000;
  font-size: 17px;
  line-height: 20px;
}

.title {
  margin-top: 0px;
  margin-bottom: 0px;
  /* font-family: 'Varela Round', sans-serif; */
  font-family: 'Asap', sans-serif;
  color: #000;
  font-size: 50px;
  line-height: 65px;
  font-weight: 700;
  letter-spacing: 4;
  text-align: center;
}

.subheader {
  margin-top: 0;
  margin-bottom: 10px;
  /* font-family: 'Open Sans', sans-serif; */
  font-family: 'Asap', sans-serif;
  color: #333;
  font-size: 25px;
  line-height: 44px;
  font-weight: 500;
  letter-spacing: 0;
  text-align: center;
}

.section {
  width: 60%;
  max-width: 45rem;
  margin: auto;
}

.container {
  padding-left: 0;
  margin-left: auto;
  margin-right: auto;
  max-width: 940px;
}

.section-header {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  font-family: 'Asap', sans-serif;
  color: #000;
  font-size: 30px;
  line-height: 40px;
  font-weight: 700;
  text-align: left;
}

.tldr {
  font-family: 'Source Sans 3', sans-serif;
  color: #333;
  line-height: 24px;
  /* letter-spacing: 0; */
}

.title-row {
  margin-top: 20px;
}

.row {
  display: flex;
  min-height: 25px;
  margin: 0.5rem;
  justify-content: center;
}

.grid-container {
  display: grid;
  grid-template-columns: repeat(4, 100px);
  gap: 20px;
  justify-content: center;
}

.grid-item {
  text-align: center;
  transition: transform 0.3s;
  height: 110px;
  text-decoration: none;
  color: #2780e3;
}

.grid-item:hover {
  transform: scale(1.05);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.grid-item h4 {
  margin-top: 10px;
}

.invisible {
  display: none;
}

.author-col {
  margin: 0rem 1rem;
}

.author-text {
  font-family: 'Source Sans 3', sans-serif;
  color: #333;
  font-weight: 400;
  text-decoration: none;
}

.text-star {
  position: relative;
  top: -7px;
  display: inline-block;
  margin: 0px;
  font-size: 10px;
}

#uc-berkeley {
  text-align: center;
  font-family: 'Source Sans 3', sans-serif;
  color: #333;
  font-weight: 400;
  margin-top: 1rem;
  /* margin-bott */
  letter-spacing: 0;
}

.icon-col {
  width: 33.33333%;
}

.icon-img {
  max-width: 40%;
  margin-right: auto;
  margin-bottom: 1px;
  margin-left: auto;
  padding-top: 0px;
}

.github-img-icon {
  max-width: 20%;
  margin-top: 6px;
  margin-bottom: 9px;
  opacity: .77;
}

.data-img-icon {
  max-width: 30%;
  margin-top: 5px;
  margin-bottom: 9px;
  opacity: .62;
}

.link-button {
  border-radius: 0.5rem;
  text-decoration: none;
  padding: 0.5rem 2rem;
  margin: 1rem 0.5rem;
  color: #000;
  font-size: 1rem;
  height: 1rem;
  line-height: 1rem;
  font-weight: 700;
  background-color: #f2f2f2;
  border: solid 0px transparent;
}

.link-button:hover {
  background-color: #d9d9d9;
}

#main-video {
  display: block;
  width: 100%;
  margin: 10px auto;
}

#body-video {
  width: 90%;
  margin-top: 0px;
  margin-bottom: 10px;
}

.wide-img {
  width: 100%;
  max-width: 800px;
  margin: 0rem auto 1rem auto;
  display: block;
}

.med-img {
  width: 60%;
  display: block;
  margin: 0rem auto 1rem auto;
}

.sm-img {
  object-fit: contain;
  width: 25%;
  margin: 0rem auto 1rem auto;
}

.caption {
  margin: 0 rem;
  color: rgba(0, 0, 0, 0.5);
  font-size: 0.8rem;
}

.paragraph {
  margin-top: 0px;
  margin-bottom: 20px;
  font-family: 'Source Sans 3', sans-serif;
  color: #333;
  line-height: 26px;
  font-weight: 400;
  letter-spacing: 0;
  text-align: justify;
}

.paragraph-center {
  margin-top: 0px;
  /* margin-bottom: 20px; */
  font-family: 'Source Sans 3', sans-serif;
  color: #333;
  line-height: 26px;
  font-weight: 400;
  letter-spacing: 0;
  text-align: center;
}

.img-by-text {
  display: flex;
  margin-bottom: 1rem;
}

.img-by-text div {
  width: 75%;
  padding: 2rem;
}

#text-samples {
  display: flex;
  flex-direction: row;
  gap: 1rem;
  font-size: 12px;
  line-height: 16px;
}

.text-sample {
  width: 50%;
  border-radius: 1ex;
  padding: 1rem;
  background: #eee;
  gap: 2rem;
}

.text-sample .label {
  font-weight: 700;
  color: #666;
}

.text-sample ul {
  list-style: none;
  margin: 0.25rem 0rem;
  padding-left: 0rem;
}

.bubble {
  display: inline-block;
  background: #fff;
  padding: 0.5rem 0.8rem;
  border-radius: 1ex;
  border: 0.2rem solid #aaa;
  margin: 0.1rem 0 0.8em;
}

li.bubble {
  border-color: #e69138;
  background: #f7eee5;
  color: #58320a;
  margin-bottom: 0.5rem;
}

:root {
  --opacity: 50;
}

.videos {
  display: flex;
  gap: 0.5rem;
  justify-content: space-around;
}

.videos div {
  max-width: 30%;
}

.videos video {
  max-width: 100%;
}

.video-player {
  width: 100%;
  aspect-ratio: 16/9;
  position: relative;
  text-align: center;
  display: inline-block;
}

.video-player video {
  width: 100%;
  height: 100%;
  border-radius: 15px;
  display: block;
}

.prev-nav,
.next-nav {
  width: 40px;
  height: 40px;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(0, 0, 0, 0.8);
  color: white;
  border: none;
  padding: 10px;
  cursor: pointer;
}

.prev-nav {
  left: 10px;
}

.next-nav {
  right: 10px;
}

.video-controls {
  margin-top: 20px;
  display: flex;
  justify-content: space-between;
}

.video-controls button {
  margin: 0 auto;
  cursor: pointer;
}

#video-list {
  display: none;
}

#opacity {
  font-family: 'Source Sans 3', sans-serif;
  color: #3c3c3c;
  font-size: 20px;
  line-height: 20px;
}

.viewer-bar {
  width: 33.3333%;
}

.citation {
  /* // set background color to gray; */
  background-color: #eaeaea;
  text-align: left;
  border-radius: 10px;
  font-size: 12px;
}

.citation>pre {
  margin-bottom: 10px;
  margin-left: 10px;
  padding: 10px;
}

.citation>p {
  margin-left: 20px;
}

#codecell0 {
  margin-bottom: 10px;
  margin-left: 10px;
  overflow-x: auto;
}

.add-top-padding {
  margin-top: 10px;
}

.video-text {
  font-size: 24px;
  margin-top: -40px;
  margin-bottom: 20px;
  color: white;
  position: relative;
  /* font-family: serif; */
}

.overlay-text {
  background-color: #00000070;
  border-radius: 10px;
  padding-left: 10px;
  padding-right: 10px;
  padding-bottom: 3px;
}

@media screen and (max-width: 750px) {
  body {
    margin: 50px 0px;
  }

  .section {
    width: 90%;
  }

  .title {
    font-size: 30px;
    line-height: 30px;
  }

  .subheader {
    font-size: 16px;
  }

  .inline-row {
    display: block;
  }

  .row {
    justify-content: center;
    margin: 0.75rem;
    flex-wrap: wrap;
  }

  .invisible {
    display: block;
    flex-basis: 100%;
    height: 0.75rem;
  }

  .author-col {
    margin: 0rem .5rem;
  }

  .thumbnail-btn {
    font-size: 8px;
  }

  .thumbnails {
    width: 100%;
    max-height: 20px;
    margin: 0px;
    padding: 0px;
  }

  .section-header {
    font-size: 20px;
    line-height: 20px;
  }

  .videos {
    flex-direction: row;
    align-items: center;
  }

  .videos div {
    width: 50%;
    max-width: 50%;
  }

  .videos video {
    width: 100%;
  }

  .img-by-text {
    flex-direction: column;
  }

  .img-by-text img {
    width: 60%;
    margin: auto;
    padding: 0rem;
  }

  .img-by-text div {
    width: 100%;
    padding: 1rem 0rem;
    margin: auto;
  }

  .med-img {
    width: 100%;
  }

  #text-samples {
    flex-direction: column;
  }

  .text-sample {
    width: 90%;
    margin: auto;
  }

  .link-button {
    margin: 1rem 0.25rem;
  }

  .button-row {
    margin: 0.75rem 0rem;
  }
}