div[class~="custom-captcha-wrapper"] {
    max-height: 100vh;
}

div[class~="custom-captcha-wrapper"] img {
    cursor: pointer;
    width: 150px;
    height: 150px;
}

img[class~="coi-clicked"] {
    box-shadow: 10px 10px 5px 0 rgb(255 0 0 / 75%);
}

@media screen and (max-width: 400px) {
    h1[class="custom-captcha-legend"] {
        font-size: 1rem !important;
    }

    div[class~="custom-captcha-wrapper"] img {
        width: 100px;
        height: 100px;
    }
}