transition動畫無效 要加前綴-webkit-transition ,-webkit-transformweb
-webkit-transform: translateY(-100%); transform:translateY(-100%); -webkit-transition: all 0.5s ease-in; -moz-transition: all 0.5s ease-in; -ms-transition: all 0.5s ease-in; -o-transition:all 0.5s ease-in; transition: all 0.5s ease-in;