/* BTDT button style: fold — folded paper corners */
:is(.btn-solid, .btn-outline, .btn-subtle, .btn-text) {
  --bs-btn-border-radius: 20px 0 0 20px;
}
:is(.btn-solid, .btn-outline, .btn-subtle, .btn-text):nth-of-type(even) {
  --bs-btn-border-radius: 0 20px 20px 0;
}