.w4-box-link {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  display: flex !important;
  align-items: center;
  background-color: #f6f6f6;
}

.w4-box-link img {
  width: 100%;
}