.option-list {
  position: relative;
}

.option-list img {
  width: 100%;
}

.option-list a {
  position: absolute;
  bottom: 0;
  display: block;
  width: 27%;
  height: 31%;
}

.option-list a:nth-of-type(1) {
  left: 6%;
}

.option-list a:nth-of-type(2) {
  left: 36%;
}

.option-list a:nth-of-type(3) {
  right: 6%;
}