.c-happyclients__items img:hover{
  -webkit-transition: opacity .275s ease-in-out;
transition: opacity .275s ease-in-out;
opacity: .4
}

@media (min-width: 768px) {
    .c-trusted-clients__items.slick-slide img {
        max-width: 80%;
        max-height: 80px;
    }
    .c-trusted-clients__imgholder {
    display: block;
    text-align: center;
    margin-bottom: 0;
    margin: 1rem 0;
    /* background: yellow; */
}
}