CSS Display an Image Resized and Cropped

You could use a combination of both methods eg.

    .crop {
        width: 200px;
        height: 150px;
        overflow: hidden;
    }

    .crop img {
        width: 400px;
        height: 300px;
        margin: -75px 0 0 -100px;
    }

    <div class="crop">
        <img src="https://i.stack.imgur.com/wPh0S.jpg" alt="Donald Duck">
    </div>

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You can use negative margin to move the image around within the <div/>.