deep-scene {
  display: flex;
  width: 100vw;
  height: 100vh;
  gap: 10px;
  padding: 10px;
}

.layers {
  flex-grow: 1;
  position: relative;
}

.layer {
  position: absolute;
  inset: 0;
}

.layer>* {
  position: absolute;
  top: 0;
  right: 0;
}

td {
  border: 1px solid gray;
}

.btns {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

button {
  background-color: lightgray;
  padding: 20px 20px 18px;
  font-size: 24px;
  font-weight: bold;
  border-radius: 10px;
}