あなたはこのようなことを試すことができます:
CSS:
a, a:hover {
color: black;
font-size: 1.5em;
text-decoration: none;
}
.on {
transition: text-shadow 500ms;
-webkit-transition: text-shadow 500ms;
-moz-transition: text-shadow 500ms;
-ms-transition: text-shadow 500ms;
-o-transition: text-shadow 500ms;
text-shadow: 0 0 10px #000;
}
.off {
transition: text-shadow 250ms;
-webkit-transition: text-shadow 250ms;
-moz-transition: text-shadow 250ms;
-ms-transition: text-shadow 250ms;
-o-transition: text-shadow 250ms;
text-shadow: 0;
}
JS:
$('a').hover(function(){
$(this).removeClass('off').addClass('on');
}, function(){
$(this).removeClass('on').addClass('off');
});