&::-ms-thumb {\n    width: $custom-range-thumb-width;\n    height: $custom-range-thumb-height;\n    margin-top: 0; // Edge specific\n    margin-right: $custom-range-thumb-focus-box-shadow-width; // Workaround that overflowed box-shadow is hidden.\n    margin-left: $custom-range-thumb-focus-box-shadow-width;  // Workaround that overflowed box-shadow is hidden.\n    @include gradient-bg($custom-range-thumb-bg);\n    border: $custom-range-thumb-border;\n    @include border-radius($custom-range-thumb-border-radius);\n...

      -webkit-user-select: none;
      background-color: rgb(236, 236, 236);
      border-left: 1px solid black;
      cursor: default;
      display: flex;
      min-width: 18px; /* workaround for flexbox and writing-mode mixing bug */
      padding: 10px 0 10px 0;
      font-size: 12px;
    }

    tab-strip > tab-strip-label {
      flex-shrink: 0;
      -webkit-writing-mode: vertical-rl;