main {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 2rem;
  text-align: center;
}
.td-thumbs a,
.td-thumbs .video-walk {
  display: inline-block;
  vertical-align: top;
  width: 49%;
  text-decoration: none;
  color: #333;
  padding: 2rem;
  transition: 300ms all ease;
}
.td-thumbs img {
  display: block;
  width: 100%;
  box-shadow: 0 0 15px rgb(0 0 0 / 29%);
}
.td-thumbs span {
  display: block;
  margin-top: 1rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-decoration: underline;
}
.td-thumbs a:hover {
  color: #4e5a44;
}
.td-thumbs a:hover > span {
  color: #4e5a44;
  text-decoration: none;
  transition: 300ms all ease;
}
.td-thumbs a:hover > img {
  opacity: 0.9;
  transform: scale(0.99);
  transition: 300ms all ease;
}
.td-grid img {
  display: block;
  width: 100%;
  padding: 2rem;
}
@media (max-width: 850px) {
  h1 {
    font-size: 2rem;
  }
  .td-thumbs a,
  .td-thumbs .video-walk {
    display: block;
    width: 100%;
    padding: 0;
  }
  .td-thumbs .video-walk {
    margin-bottom: 2rem;
  }
  .td-grid img {
    padding: 0;
    margin-bottom: 2rem;
  }
}