<div class="top-b"></div>
<div class="logos">
  <div class="logos-top">            
    <div class="logos-top-l"></div>
    <div class="logos-top-r"></div>
  </div>

  <div class="logos-center">
    <div class="logos-col">
      <a href="#" class="logos-item">
        <span class="logo-img"></span>
      </a><!--logos-item-->
      <a href="#" class="logos-item">
        <span class="logo-img"></span>
      </a><!--logos-item-->
    </div><!--logos-col-->

    <div class="logos-col">
      <a href="#" class="logos-item">
        <span class="logo-img"></span>
      </a><!--logos-item-->
      <a href="#" class="logos-item">
        <span class="logo-img"></span>
      </a><!--logos-item-->
    </div><!--logos-col-->

    <div class="logos-col">
      <a href="#" class="logos-item">
        <span class="logo-img"></span>
      </a><!--logos-item-->
      <a href="#" class="logos-item">
        <span class="logo-img"></span>
      </a><!--logos-item-->
    </div><!--logos-col-->


  </div><!--logos-center-->

  <div class="logos-bot">
    <div class="logos-bot-l"></div>
    <div class="logos-bot-r"></div>
  </div>
</div><!--logos-->

.top-b {
  height: 100px;
  background-color: #000;
  width: 100%;
}

.logos {
  margin-left: 140px;
  margin-top: -50px;
  width: 674px;
  -webkit-box-shadow: 0 15px 35px rgba(83, 111, 128, 0.1);
          box-shadow: 0 15px 35px rgba(83, 111, 128, 0.1);
  background-color: transparent;
  position: relative; }
  .logos a {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    height: 155px;
    border-left: 1px solid #eaf1f5;
    border-bottom: 1px solid #eaf1f5;
    -webkit-box-align: center;
    -webkit-align-items: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
        -ms-flex-pack: center;
            justify-content: center; }

.logos-col:first-child a {
  border-left: none;
}

  .logos-col {
    width: -webkit-calc(100% / 3);
    width: calc(100% / 3); }
  .logos-top, .logos-bot {
    content: "";
    display: inline-block;
    position: absolute;
    top: 0;
    bottom: 0;
    -webkit-transition: 0.5s;
    transition: 0.5s; }
  .logos-top {
    right: 100%;
    border-right: 27px solid #fff;
    border-bottom: 27px solid transparent;
    border-left: 1px solid #eaf1f5}
  .logos-bot {
    left: 100%;
    border-left: 27px solid #fff;
    border-top: 27px solid transparent;
border-right: 1px solid #eaf1f5;}

.logos-center {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  position: relative;
  background-color: #FFF; }

.logo-img {
  width: 100px;
  height: 100px;
  background-color: #ccc;
}