.es-button-group{
  display: inline-block;
  .es-button{
    border-right-color: hsla(0,0%,100%,.5);
    &:first-child{
      border-top-right-radius: 0;
      border-bottom-right-radius: 0;
    }
    &:last-child{
      border-top-left-radius: 0;
      border-bottom-left-radius: 0;
      border-right-color: none
    }
    &:not(:first-child):not(:last-child) {
      border-radius: 0;
    }
  }
}