element-call/src/room/PTTButton.module.css

.pttButton {
  width: 100vw;
  height: 100vh;
  max-height: 232px;
  max-width: 232px;
  border-radius: 116px;
  color: ##fff;
  border: 6px solid #0dbd8b;
  background-color: #21262c;
  position: relative;
  padding: 0;
  cursor: pointer;
}

.talking {
  background-color: #0dbd8b;
  cursor: unset;
}

.error {
  background-color: #ff5b55;
  border-color: #ff5b55;
}