#calendar_event_show .img-header{width:100%;height:18vh;color:#d4d4d4;background:-webkit-gradient(linear,left top,left bottom,from(transparent),to(rgba(0,0,0,.7))),url(../img/calendar-event-view.9263507c.jpg) no-repeat 50%/cover;background:linear-gradient(180deg,transparent,rgba(0,0,0,.7)),url(../img/calendar-event-view.9263507c.jpg) no-repeat 50%/cover}