.floor {
  position: absolute;
  width: 100%;
  height: 30%;
  bottom: 0;
  left: 0;
  background-color: brown;
}

.floor {
  position: absolute;
  width: 100%;
  height: 30%;
  bottom: 0;
  left: 0;
  background-color: #8c622e;
  background-image: repeating-linear-gradient(-70deg, transparent, transparent 35px, rgba(255,255,255,.15) 35px, rgba(255,255,255,.15) 36px);
  border-top: 14px solid #775327;
}

Add a pattern to the floor
Add a pattern to the floor

