*{
    margin: 0px;
    box-sizing: border-box;
}
.wrapper{
    position: relative;
    width: 100%;
    display:grid;
    justify-content: center;
}
canvas,img{
    border: 1px solid grey;
    width: 98%;
    height: 200px;
}
canvas:active{
    user-select: none;
    cursor:crosshair;
}