div.FlexSort div.table-row.header div.column{
  cursor:pointer;
  position:relative;
  display:flex;
  align-items:center;
  justify-content: center;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

  div.FlexSort div.table-row.header div.column div.arrow{
    display:block;
  }

  div.FlexSort div.table-row.header div.column div.arrow > svg{
    width:1.4rem;
    height:0.7rem;
  }

  div.FlexSort div.table-row.header div.column div.arrow > svg.asc{
    transform:rotate(270deg);
  }

  div.FlexSort div.table-row.header div.column div.arrow > svg.desc{
    transform:rotate(90deg);
  }