.allcorners {border-radius: 13px;}

.allvideo {border-radius: 18px;overflow: hidden;}

.bottomcorners {border-radius: 0px 0px 13px 13px;}

.bottomcornerleft {border-radius: 0px 0px 0px 13px;}

.bottomcornerright{border-radius: 0px 0px 13px 0px;}

.btmvideo {border-radius: 0px 0px 18px 18px;overflow: hidden;}

.leftcorners {border-radius: 13px 0px 0px 13px ;}

.topcorners {border-radius: 13px 13px 0px 0px ;}

.topgrad {background: linear-gradient(180deg, rgba(0,0,0,0.5), rgba(0,0,0,0));}

.topvideo {border-radius: 15px 15px 0px 0px;overflow: hidden;}