.kedao-controlbar {
  margin: 0;
  padding: 0 5px;
  box-shadow: inset 0 -1px 0 0 rgba(0, 0, 0, 0.2);
}
.kedao-controlbar::after {
  display: block;
  content: "";
  clear: both;
}
.kedao-controlbar button {
  padding: 0;
  outline: none;
}
.kedao-controlbar button[disabled] {
  pointer-events: none;
  opacity: 0.3;
}
.kedao-controlbar [data-title] {
  position: relative;
}
.kedao-controlbar [data-title]::before, .kedao-controlbar [data-title]::after {
  position: absolute;
  z-index: 10;
  top: 100%;
  left: 50%;
  pointer-events: none;
  opacity: 0;
  transform: translateX(-50%) translateY(-5px);
  transition: opacity 0.3s, transform 0.3s;
}
.kedao-controlbar [data-title]::before {
  margin-top: 3px;
  border: 5px solid transparent;
  border-bottom-color: #21242a;
  content: "";
}
.kedao-controlbar [data-title]::after {
  margin-top: 12px;
  padding: 5px;
  background-color: #21242a;
  border-radius: 2px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  color: #fff;
  font-size: 12px;
  line-height: 16px;
  white-space: nowrap;
  content: attr(data-title);
}
.kedao-controlbar [data-title]:hover::before, .kedao-controlbar [data-title]:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.kedao-controlbar input {
  outline: none;
}
.kedao-controlbar .separator-line {
  display: block;
  float: left;
  height: 26px;
  width: 1px;
  margin: 10px;
  box-shadow: inset -1px 0 0 0 rgba(0, 0, 0, 0.1);
}
.kedao-controlbar .separator-line + .separator-line, .kedao-controlbar .separator-line.last-child, .kedao-controlbar .separator-line.first-child {
  display: none;
}