.stm-header__row_color.pearl_is_sticky{transition:.3s ease}.stm-header__row_color.pearl_going_sticky{position:fixed;top:0;left:0;right:0;transform:translateY(-100%);box-shadow:0 0 10px rgba(0,0,0,.05);transition:0s ease}.stm-header__row_color.pearl_sticked{transform:translateY(0);transition:.3s ease}