.tooltip {
  position: absolute;
  z-index: 1070;
  display: block;
  font-family: 'Open Sans', sans-serif;
  font-size: 12px;
  font-style: normal;
  font-weight: 400;
  line-height: 1.42857143;
  text-align: left;
  text-align: start;
  text-decoration: none;
  text-shadow: none;
  text-transform: none;
  letter-spacing: normal;
  word-break: normal;
  word-spacing: normal;
  word-wrap: normal;
  white-space: normal;
  filter: alpha(opacity=0);
  opacity: 0;
  line-break: auto;
  background: #333;
  color: #fff;
  padding: 2px 10px;
  border-radius: 3px;
}
.tooltip.top {
  margin-top: -3px;
}
.tooltip.bottom {
  margin-top: 3px;
}
.tooltip.in {
  opacity: 1;
}
.fade {
  opacity: 0;
  transition: all 250ms linear;
}
.fade.in {
  opacity: 1;
  transition: all 250ms linear;
}