即悬停在=淡入0.5秒|徘徊=没有褪色和瞬间
#myLink { opacity: 0; } #myLink:hover { opacity: 1; -webkit-transition: all 0.2s ease-in-out; -moz-transition: all 0.2s ease-in-out; -o-transition: all 0.2s ease-in-out; transition: all 0.2s ease-in-out; }
这里有一个jsFiddle来演示:Fiddle