button.owl-prev:focus, button.owl-next:focus {
    outline: none;
}
.owl-nav .owl-prev span, .owl-nav .owl-next span {
    border: 1px solid #fff;
    border-radius: 50% 50%;
    padding: 0px 16px 6px 15px;
    font-size: 28px;
    color: #fff;
}
button.owl-prev {
    position: absolute;
    top: 42%;
    margin-left: 20px;
}
button.owl-next {
    position: absolute;
    top: 42%;
    right: 20px;
}