.wpsl-directory-wrap {
    overflow: hidden;
}

.wpsl-directory-wrap > div {
    float: left;
    margin-bottom: 25px;
    min-height: 100px;
}

.wpsl-2-columns > div {
    width: 50%;    
}

.wpsl-3-columns > div {
    width: 33%;    
}

.wpsl-4-columns > div {
    width: 25%;    
}

#wpsl-directory-search form {
    margin-bottom: 25px;
}

#wpsl-directory-search div {
    margin-bottom: 15px;
}