.dtportfolio-single-mediaontop-section-holder {
    position: relative;
    margin-bottom: 25px;
    z-index: 1;
}

.dtportfolio-single-mediaontop-section {
    float: left;
}
.dtportfolio-single-mediaontop-section {
    width: 100%;
    height: 100%;
}

.dtportfolio-single-mediaontop-item {
    width: 100%;
    height: 100%;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.single-portfolio-mediaontop-video-holder, .single-portfolio-mediaontop-video-holder video, .single-portfolio-mediaontop-video-holder video source { float:left; width:100%; position:relative; height:100%; }

.dtportfolio-single-mediaontop-section { width: 100%; height: 100%; }
	
.dtportfolio-single-mediaontop-section video, .dtportfolio-single-mediaontop-section video source { width: 100% !important; height: 100% !important; object-fit: initial; }
.dtportfolio-single-mediaontop-item { width: 100%; height: 100%; background-position: center; background-size: cover; background-repeat: no-repeat;  }