p {
  color: black;
}

.clean-block.dark .block-heading p {
  opacity: initial;
}

.clean-block .block-heading {
  padding-top: 0px;
  margin-bottom: 0px;
  text-align: center;
}

.clean-block .block-heading {
  padding-top: 15px;
  margin-bottom: 10px;
  text-align: center;
}

.clean-block {
  padding-bottom: 0px;
}

.clean-block .block-heading p {
  text-align: center;
  max-width: 800px;
  margin: auto;
  opacity: .7;
}

.img-thumbnail {
  padding: .25rem;
  background-color: #fff;
  border: 1px solid #dee2e6;
  border-radius: .25rem;
  /*max-width: 80%;*/
  height: 300px;
  width: 600px;
}

img {
  max-width: 500px;
  max-height: 500px;
}

h3 {
  color: #164081;
}

h3 {
}

#lidar {
  color: #164081;
  opacity: 1;
}

section {
  padding-top: 2px;
}

h1 {
}

#down {
  padding-top: 40px;
}