.btb-select {
  $content_size: 14px;
  $content_padding: 6px 12px;
  $content_vertical_align: middle;
  *, 
  *::after, 
  *::before {
    box-sizing: border-box;
  }

  display: table;
  position: relative;
  .select-input {
    display: table-row;
  }
  .input-text {
    display: table-cell;
    font-size: $content_size;
    padding: $content_padding;
    vertical-align: $content_vertical_align;
    width: 100%;
  }
  .input-addition {
    display: table-cell;
    font-size: $content_size;
    padding: $content_padding;
    vertical-align: $content_vertical_align;
    background-color: #ccc;
    border-style: solid solid solid none;
    border-width: 1px 1px 1px medium;
    text-align: center;
    width: 1%;
    cursor: pointer;
  }

  .select-optionList {
    position: absolute;
    background-color: #fff;
    border: 1px solid black;
  }

  .optionList-head,
  .optionList-body {
    display: table;
    table-layout: fixed;
    width: 100%;
  }
  .head-row,
  .body-row {
    display: table-row;
  }
  .body-row:hover,
  .row-noData:hover {
    cursor: pointer;
  }
  .row-cell {
    display: table-cell;
  }
  .cell-noData {
    text-align: center;
  }
}