.button-left {
  border-top-right-radius: 0px;
  border-bottom-right-radius: 0px;
  border-right-width: 0px;
  margin-right: 0px;
}

.button-center {
  border-radius: 0px;
  border-right-width: 0px;
  margin-left: 0px;
  margin-right: 0px;
}

.button-right {
  margin-left: 0px;
  border-top-left-radius: 0px;
  border-bottom-left-radius: 0px;
}
