searxng/searx/static/themes/oscar/src/less/safari.css

/* Safari 9+ 
   Conditional/Hack CSS from https://browserstrangeness.github.io/css_hacks.html
*/
@supports (-webkit-marquee-repetition:infinite) and (object-fit:fill) {
    .twitter-typeahead .tt-input:focus {
        z-index: 2;
    }

    .input-group-btn:last-child > .btn,
    .input-group-btn:last-child > .btn-group {
        margin-left: inherit !important;
    }
}