.link {

    -o-transition:color .2s ease-out, background 1s ease-in;
    -ms-transition:color .2s ease-out, background 1s ease-in;
    -moz-transition:color .2s ease-out, background 1s ease-in;
    -webkit-transition:color .2s ease-out, background 1s ease-in;
    /* ...and now override with proper CSS property */
    transition:color .2s ease-out, background 1s ease-in;

}