.objec video {
    height: 100%; 
    width: 100%; 
    }
.exemple { 
    padding: 6.18vh;
    margin: -2.16vh;
    top: 3.14vh;
      position: absolute;
            z-index: 2;   
   display: block;   
    }
 .eleman  {
         box-shadow:  3px 5px 16px rgba(0,0,0,0.62);
}    


 @keyframes fade {
      from { opacity: 0; } 
      to { opacity: 1; }     
   }
  .ciblee {
  
        animation: fade 6.18s;
  }