MediaWiki:Gadget-FloatToc.css

/* 浮动目录效果*/
.toc-custom {
  position: fixed;
  right: -180px;
  top: 200px;
  background: rgba(255, 255, 255, 0.7);
  z-index: 10;
  width: 170px;
  opacity: 0.5;
  filter: alpha(opacity=50);
  -webkit-transition: -webkit-transform .2s ease-in;
  transition: transform .2s ease-in;
}

.toc-custom:hover {
  opacity: 1;
  filter: alpha(opacity=100);
  box-shadow: 0 0 4px black;
  -webkit-transform: translate(-85%, 0);
  -ms-transform: translate(-85%, 0);
  transform: translate(-85%, 0);
}
.toc-custom>ul {
  height: 50vh;
  overflow-y: scroll;
}
#toc:not(.toc-custom) {
  display: none;
}

#btn-showtoc {
  cursor: pointer;
}

.toc .toctoggle {
  display: none;
}