#middle h4 {
    padding-top: 4%;
    padding-bottom: 1%;
    font-size: 115%;
}

@media screen and (min-width: 620px), print {
    #middle h2 {
        width: 45%;
    }

    #client-one-before, #client-one-after, #client-two-before, #client-two-after {
        width: 45%;
        float: left;
        margin: 0 2%;
        display: block;

        box-sizing: border-box;
    }

    .clear {
        clear: both;
    }
}