Mastodon absent image description styles

overrides.css

.compose-form:has(.compose-form__upload__warning) .compose-form__publish .button,
.compose-form__upload__warning .icon-button {
    border: medium dashed red;
}

.compose-form__upload-thumbnail:has(.compose-form__upload__warning) .compose-form__upload__actions .icon-button:has(.fa-pencil) {
    border: medium dashed lime;    
}

.compose-form:has(.compose-form__upload__warning) .compose-form__publish::before {
    content: "Please, add an image description!";
    padding: 1em;
    align-self: center;
    margin-top: 15px;
}