.simple-responsive-table {
  position: relative;
  overflow: hidden;
}

.simple-responsive-table > div {
  overflow-x: auto;
}

.simple-responsive-table.is-scrollable-right:after {
  position: absolute;
  top: 0;
  left: 100%;
  width: 50px;
  height: 100%;
  border: 10px 0 0 10px / 50% 0 0 50%;
  box-shadow: -5px 0 10px rgba(0, 0, 0, 0.25);
  content: "";
}

.simple-responsive-table.is-scrollable-left:before {
  position: absolute;
  top: 0;
  left: -50px;
  width: 50px;
  height: 100%;
  border: 10px 0 0 10px / 50% 0 0 50%;
  box-shadow: 5px 0 10px rgba(0, 0, 0, 0.25);
  content: "";
}