.widget_post_type_slider_widget .owl-prev{
    left: 21px;
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    background:rgba(0,0,0,0.4);
    padding-top: 6px;
}
.widget_post_type_slider_widget .owl-next{
    position: absolute;
    right: 0;
    top: 50%;
    transform: translate(-50%, -50%);
    background:rgba(0,0,0,0.4);
    padding-top: 6px;
}
.widget_post_type_slider_widget .item{ 
   position: relative; 
   width: 100%; /* for IE 6 */
}
.widget_post_type_slider_widget .item a span.post-content{ 
    background:rgba(192,192,192,0.5);
    bottom: 0;
    left: 0;
    padding: 5px 10px;
    position: absolute;
    text-transform: capitalize;
    width: 100%;
}