style.css

body{
    margin: 0;
    padding: 0; 
    /* width:100vh;
    height:100vh; */
    /* display:flex; */
    align-items: center;
    justify-content: center; 
  
}
canvas{
    position: absolute;
    left: 0;
     
}
.videoDiv{
    position:absolute;
    left:25%;
    right:25%;   

}
#video{
    position: absolute;
    border-radius: 20px;
    border: 8px solid black;
    
}
#imageUpload{
    border: 2px solid black;
    font-size: larger;
    padding: 18px;
    border-radius: 25px;
    margin: auto;
    justify-content: center;
    position: relative;
    margin :0 40%;
}
.imagePosition{
    margin: 2% 2% 2% 5%;
    
}
.hide{
    /* visibility: hidden; */
    display: none;
    
}
.py-2{
    margin-bottom: 0;
    padding-bottom: 0;
}
@media screen and (max-width: 495px) {
    #video{
        width: 80%;
        height: 42%;
        left:2%;
    }
    canvas{
        position: absolute;
        left: 2%;
        width: 80%;
        height: 42%;

    }
    strong{
        font-size: 1rem;
    }
  }

  @media screen and (max-width: 1100px) {
    #video{
        left:2%;
    }
    canvas{
        position: absolute;
        left: 2%;
       

    }
  }