.input_video{
    
    transform: rotateY(180deg);
    -webkit-transform:rotateY(180deg); /* Safari and Chrome */
    -moz-transform:rotateY(180deg); /* Firefox */
    width: 100%;
   height: auto;
}

.output_canvas{
   width: auto;
   height: auto;
}

.removed {
    display: none;
}

.shown {
    display: block;
}
.clicked{
    background-color: rgba(74, 74, 74, 0.85);
    /* color:white; */
  }

#dot{
    top:10px;
    left:10px;
    background-color: red;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    position: absolute;
    transform: translate(-50%,-50%);  
}

.blocks{
    padding: 100px;
    margin: 50px;
    font-size: xx-large;
    border-style: dotted;
    

}