.btn {
  -ms-user-select: none;
}

.btn-close {
  background-clip: content-box;
}

.btn-close:disabled,
.btn-close.disabled {
  -ms-user-select: none;
}

.btn-group > :not(:last-child).btn-group > .btn,
.btn-group > :first-child.btn.dropdown-toggle-split,
.btn-group > :not(:last-child):not(.dropdown-toggle).btn {
  border-top-right-radius: 0 !important;
  border-bottom-right-radius: 0 !important;
}

.btn-group > :not(:first-child).btn-group > .btn,
.btn-group > :nth-child(n + 3).btn,
.btn-group > :not(.btn-check) + .btn {
  border-top-left-radius: 0 !important;
  border-bottom-left-radius: 0 !important;
}