hr {
    margin: 0.2rem 0;
    /*color: inherit;*/
   /* background-color: currentColor;*/
  /*  border: 0;*/
    /* opacity: 0.25;*/
}

 .btn-icon {
    width: 24px;
    height: 24px;
   /* -webkit-mask-image: url("images/undo.svg");
    mask-image: url("images/undo.svg");*/
   /* background-color: currentColor;*/
   /* opacity: 0.7;*/
}