Restore <blink> Tag by bomberfish

/* ==UserStyle==
@name           Restore <blink> Tag
@namespace      github.com/openstyles/stylus
@version        1.0.1
@description    Restores <blink> functionality on websites that somehow still use it.
@author         BomberFish
@var select type "Blink type" ["blink:Blink", "fade:Fade"]
==/UserStyle== */
@-moz-document regexp(".*") {
    @keyframes blink {
        0% {
            visibility: hidden;
        }

        50% {
            visibility: hidden;
        }

        100% {
            visibility: visible;
        }
    }

    @keyframes fade {
        from {
            opacity: 0;
        }

        to {
            opacity: 1;
        }
    }

    blink {
        animation: 0.5s linear infinite alternate var(--type);
    }
}