.cantec-fullscreen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: #000;
  color: #fff;
  z-index: 9999;
  display: none;
}
.cantec-fullscreen .strofa {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 40px;
  font-size: 3rem;
  text-align: center;
  white-space: pre-line;
  color: #fff;
}
.exit-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: transparent;
  color: white;
  font-size: 2rem;
  border: none;
  cursor: pointer;
  z-index: 10000;
}
.strofa:focus {
  outline: none;
}
.cantec-fullscreen .slides,
.cantec-fullscreen .slick-list,
.cantec-fullscreen .slick-track {
  height: 100%;
}