.tm-folding-cube .tm-cube {
  display:none!important;
}
.tm-folding-cube {
  width: 400px;
  height: 100px;
  top: 50%;
  left: 50%;
  margin-top: -50px;
  margin-left: -200px;
  position: relative;
  background:url('your_full_image_link') no-repeat center center;
  background-size:contain;
  -webkit-transform: rotateZ(0deg) !important;
  -ms-transform: rotate(0deg) !important;
  transform: rotateZ(0deg) !important;
}