@media (max-width: 991px) {
  .column {
    flex: 0 0 100% !important;
    max-width: 100%;
  }

  .bottom-left{
    font-size: 25px;
  }
}
@media (max-width: 768px) {
  #theme-slideshow-captions{
    font-size:30px
  }

  .bottom-left,
  .bottom-right{
    text-align: center;
  }
  .bottom-left{
    margin-bottom: 10px;
  }

}