.subreddit-container {
  display: flex;
  min-height: 100vh;
}

.subreddit-container-left {
  flex: 1;
  position: relative;
}

.subreddit-container-left .subreddit-listing {
  border-right: 1px solid #dddddd;
  bottom: 0;
  left: 0;
  padding-top: 10px;
  position: absolute;
  right: 0;
  top: 0;
}

.subreddit-container-right {
  flex: 4;
}

.subreddit-container {
  display: flex;
  min-height: 100vh;
}

.subreddit-container-left {
  flex: 1;
  position: relative;
}

.subreddit-container-left .subreddit-listing {
  border-right: 1px solid #dddddd;
  bottom: 0;
  left: 0;
  padding-top: 10px;
  position: absolute;
  right: 0;
  top: 0;
}

.subreddit-container-right {
  flex: 4;
}

.subreddit-container-right .posts-loader {
  padding-top: 15px;
}

Tweak positioning of the loading button
Tweak positioning of the loading button
