Auto Hide Side Bar for Old Reddit by slippinggitty

/* ==UserStyle==
@name           Auto Hide Side Bar for Old Reddit
@namespace      github.com/openstyles/stylus
@version        1.0.0
@description    Hides the old.reddit sidebar as a card to hover over. RES Friendly.
@author         SlippingGitty
==/UserStyle== */

@-moz-document domain("reddit.com") {

/* Adjust main content */
.content {
  max-width: 97% !important;
  margin-right: 5px !important;
  transition: all 0.3s ease;
}

/* Hide sidebar */
.side {
  width: 20px !important;
  overflow: hidden;
  opacity: 0.1;
  position: fixed;
  right: 0;
  height: calc(100vh - 45px);
  z-index: 100;
  background: #f8f9fa;
  transition: all 0.3s ease;
}

/* Show sidebar hover */
.side:hover {
  width: 300px !important;
  opacity: 1;
  box-shadow: -2px 0 5px rgba(0, 0, 0, 0.1);
}


/* Shows preview of sidebar content */
.side .titlebox h1.redditname {
  margin-left: 25px;
}
}