.g-arrow-toggle {
  display: inline-block;
  vertical-align: middle;
  transition: transform 0.1s ease-out;
}
.g-arrow-toggle_direction_bottom {
  transform: matrix(1, 0, 0, 1, 0, 0);
}
.g-arrow-toggle_direction_left {
  transform: matrix(0, 1, -1, 0, 0, 0);
}
.g-arrow-toggle_direction_top {
  transform: matrix(-1, 0, 0, -1, 0, 0);
}
.g-arrow-toggle_direction_right {
  transform: matrix(0, -1, 1, 0, 0, 0);
}