.imgbox{
    position: relative;
    width: 100%;
    height: 42vw;
}

.imgbox img{
    position: absolute;
    top: 0;
    left: 0;
    display: none;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media screen and (orientation: portrait) {
    .imgbox {
        height: 97vw;
    }

    canvas {
        border-radius: 1.35vw !important;
    }
}