.gsf-partner .partner-item {
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
  -o-transition: all 0.5s;
  transition: all 0.5s;
}
.gsf-partner .partner-item img {
  width: auto;
  max-width: 100%;
  margin: 0 auto;
}
.gsf-partner .partner-item:hover {
  opacity: 1 !important;
}