html {
  -ms-overflow-style: scrollbar;
}

.brn_wrapper {
  position: relative;
  overflow: hidden;
}

.brn_scroller {
  height: 100%;
  overflow-y: auto;
}

.brn_scroller::-webkit-scrollbar {
  /* Preventing webkit bug of horizontal scrolling */
  width: 0;
}

.brn_scroller__bar {
  /* The bar. You should define width, right and background */
  position: absolute;
  z-index: 1;
  right: 8px;
  width: 8px;
  min-height: 50px;
  border-radius: 3px;
  background: #999;
  opacity: 0;
  filter: alpha(opacity=0)
  -webkit-transition: opacity .4s linear;
  transition: opacity .4s linear;
}

.brn_scroller__bar:hover {
  opacity: 0.8;
  filter: alpha(opacity=80);
}

.brn_scroller:hover .brn_scroller__bar_state_on {
  opacity: 0.6;
  filter: alpha(opacity=60);
}

.brn_container {
  /* Data wrapper */
  overflow: hidden; /* For possible margin collapse removing */
}

.brn_header {
  height: 36px;
}

.brn_header__title {
  width: 100%;
  height: 36px; /* Must be same as header */
  margin: 0;
  -moz-box-sizing: border-box;
  box-sizing: border-box; /* For padding and border, if exist */
  background: #999;
}

.brn_header__title_state_fixed {
  position: absolute;
  z-index: 1; /* Removing flicker effect */
}