.stm_partners_grayscale img {
  filter: grayscale(1); }

.stm_partners_grayscale .stm_partners__single:hover img {
  filter: grayscale(0); }

.stm_partners_style_3 {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-pack: justify;
      justify-content: space-between;
  -ms-flex-align: center;
      align-items: center; }
  .stm_partners_style_3 .stm_partners__single {
    opacity: .6;
    transition: .3s ease;
    -ms-flex: 0 1 15%;
        flex: 0 1 15%;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-pack: center;
        justify-content: center;
    -ms-flex-align: center;
        align-items: center; }
    .stm_partners_style_3 .stm_partners__single:last-child {
      -ms-flex-pack: end;
          justify-content: flex-end; }
    .stm_partners_style_3 .stm_partners__single a {
      display: block; }
    .stm_partners_style_3 .stm_partners__single img {
      max-width: 100%; }
    .stm_partners_style_3 .stm_partners__single:hover {
      opacity: 1; }
  @media (max-width: 550px) {
    .stm_partners_style_3 {
      -ms-flex-wrap: wrap;
          flex-wrap: wrap; }
      .stm_partners_style_3 .stm_partners__single {
        -ms-flex: 0 1 100%;
            flex: 0 1 100%;
        margin: 0 0 30px; }
        .stm_partners_style_3 .stm_partners__single:last-child {
          -ms-flex-pack: center;
              justify-content: center; } }