Margin between menu buttons

/templates/jm-modern-store/css/djmegamenu.css

.dj-megamenu li a.dj-up_a {
    color: #444444;
    cursor: pointer;
    display: block;
    float: left;
    font-weight: bold;
    height: 58px;
    padding: 1px 20px;
    text-transform: uppercase;
}

.dj-megamenu li:hover a.dj-up_a, 
.dj-megamenu li.hover a.dj-up_a, 
.dj-megamenu li.active a.dj-up_a {
    border-left: 1px solid #ececec;
    border-right: 1px solid #ececec;
    padding: 0 19px 1px;
    text-decoration: none;
}