.img-desktop {
    width: 100%;
    height: 450px;
}

.img-sizing {
    width: 218px;
    height: 146px;
}

.img-post {
    width: 280px;
    height: 188px;
}

.img-desktop-arts {
    width: 100%;
    height: 350px;
}

.img-arts {
    width: 100%;
    height: 250px;
}

@media only screen and (max-width: 600px) {
    .img-sizing {
        width: 100%;
        height: auto;
    }

    .img-desktop {
        width: 100%;
        height: auto;
    }

    .img-post {
        width: 100%;
        height: auto;
    }

    .img-desktop-arts {
        width: 100%;
        height: auto;
    }

    .img-arts {
        width: 100%;
        height: auto;
    }
}