a {
    -webkit-border-radius: 4px;
            border-radius: 4px;
    transition: transform 1s;
}

b {
    /* autoprefixer: off */
    -webkit-border-radius: 4px;
            border-radius: 4px;
    transition: transform 1s;
}

@support (transition: 1s) {
    /* autoprefixer: off */

    :fullscreen {
        -webkit-border-radius: 4px;
                border-radius: 4px;
        transition: transform 1s;
    }

    ::placeholder {
        /*autoprefixer: on*/
        -webkit-border-radius: 4px;
                border-radius: 4px;
        transition: transform 1s;
    }
}