.tooltip span {
  display: none;
  color: #eee;
  text-decoration: none;
  padding: 3px;
}
.tooltip:hover span {
  display: block;
  position: absolute;
  background-color: #000;
  border: 1px solid #ccc;
  margin: 2px 10px;
  margin-left: -25px;
}
table {
  width: 100%;
}
thead {
  position: sticky;
  top: 0;
  background: var(--bulma-scheme-main) !important;
}
.navbar {
  text-align: center;
  display: block;
}
.navbar > .navbar-item {
  display: inline-block;
}
.pre {
  -webkit-overflow-scrolling: touch;
  -moz-osx-font-smoothing: auto;
  -webkit-font-smoothing: auto;
  background-color: var(--bulma-pre-background);
  color: var(--bulma-pre);
  font-size: var(--bulma-pre-font-size);
  overflow-x: auto;
  padding: var(--bulma-pre-padding);
  white-space: pre;
  word-wrap: normal;
  font-family: var(--bulma-code-family);
  margin: 0;
  display: block;
  unicode-bidi: isolate;
}
details {
  word-wrap: normal;
  white-space: pre;
}
mark {
  color: #000
}
#top-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  border: none;
  border-radius: 50%;
  padding: 10px;
  cursor: pointer;
  z-index: 1000;
}