.wpo-team-img {
  /* For WebKit browsers */
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: cover;

  /* For Firefox & spec */
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: cover;

  display: block;
  position: relative;
  overflow: hidden; /* important to clip */
}
.wpo-team-img img {
  width: 100%;
  height: auto;
  display: block;
}