keycloak_theme/.storybook/preview-head.html

<style>
    body.sb-show-main.sb-main-padded {
        padding: 0;
    }

    body:not(.kcBodyClass) {
        background-color: #393939;
    }

    body.sb-show-preparing-docs > .sb-wrapper {
        visibility: hidden;
    }

    body .sb-preparing-story {
        visibility: hidden;
    }
</style>