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

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

.stm_partners_style_3 {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center; }
  .stm_partners_style_3 .stm_partners__single {
    opacity: .6;
    transition: .3s ease;
    -webkit-box-flex: 0;
        -ms-flex: 0 1 15%;
            flex: 0 1 15%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center; }
    .stm_partners_style_3 .stm_partners__single:last-child {
      -webkit-box-pack: end;
          -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 {
        -webkit-box-flex: 0;
            -ms-flex: 0 1 100%;
                flex: 0 1 100%;
        margin: 0 0 30px; }
        .stm_partners_style_3 .stm_partners__single:last-child {
          -webkit-box-pack: center;
              -ms-flex-pack: center;
                  justify-content: center; } }