.owl-carousel .owl-nav button.owl-prev {
    cursor: pointer;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    background: url(../images/arrow-prev.png);
    width: 28px;
    height: 36px;
    float: left;
    margin-left: 50px;
}

.owl-carousel .owl-nav button.owl-next {
    cursor: pointer;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    background: url(../images/arrow-next.png);
    width: 28px;
    height: 36px;
    float: right;
    margin-right: 50px;
}