.client_list {
  border-bottom: 2px solid #efefef; }
  .client_list li {
    width: 20%;
    float: left;
    padding: 110px 0px;
    text-align: center;
    border-right: 2px solid #efefef;
    -webkit-transition: .3s all ease-in-out;
    -o-transition: .3s all ease-in-out;
    transition: .3s all ease-in-out; }
    .client_list li:last-child {
      border-right: none; }
    .client_list li img {
      -webkit-filter: grayscale(100%);
      filter: grayscale(100%);
      -webkit-transition: .3s all ease-in-out;
      -o-transition: .3s all ease-in-out;
      transition: .3s all ease-in-out; }
    .client_list li:hover {
      background-color: #f8f8f8; }
      .client_list li:hover img {
        -webkit-filter: grayscale(0);
        filter: grayscale(0); }