.section {
    background-color: #FFFFFF;
    padding: 10px;
    margin: 5px;
    border-right: solid 2px #AAAAAA;
    border-bottom: solid 2px #AAAAAA;
    height: 98%;
}

.image-middle {
    display: inline-block;
    height: 100%;
    vertical-align: middle;
}

.content {
    padding-bottom: 0px !important;
}

.customer-logos img {
/*  height: calc(50vh - 100px);*/
  height:100%;
  width: auto;
  margin: 0 auto; /* it centers any block level element */
}