强大的CSS3动画库animate.css_html/css_WEB-ITnose

  <header class="site__header island">  <div class="wrap">   <span id="animationSandbox" style="display: block;"><h1 class="site__title mega">Animate.css</h1></span>    <span class="beta subhead">Just-add-water CSS animations</span>  </div></header>    <!-- /.site__header -->    <main class="site__content island" role="content">  <div class="wrap">      <form>      <select class="input input--dropdown js--animations">        <optgroup label="Attention Seekers">          <option value="bounce">bounce</option>          <option value="flash">flash</option>          <option value="pulse">pulse</option>          <option value="rubberBand">rubberBand</option>          <option value="shake">shake</option>          <option value="swing">swing</option>          <option value="tada">tada</option>          <option value="wobble">wobble</option>        </optgroup>        <optgroup label="Bouncing Entrances">          <option value="bounceIn">bounceIn</option>          <option value="bounceInDown">bounceInDown</option>          <option value="bounceInLeft">bounceInLeft</option>          <option value="bounceInRight">bounceInRight</option>          <option value="bounceInUp">bounceInUp</option>        </optgroup>        <optgroup label="Bouncing Exits">          <option value="bounceOut">bounceOut</option>          <option value="bounceOutDown">bounceOutDown</option>          <option value="bounceOutLeft">bounceOutLeft</option>          <option value="bounceOutRight">bounceOutRight</option>          <option value="bounceOutUp">bounceOutUp</option>        </optgroup>        <optgroup label="Fading Entrances">          <option value="fadeIn">fadeIn</option>          <option value="fadeInDown">fadeInDown</option>          <option value="fadeInDownBig">fadeInDownBig</option>          <option value="fadeInLeft">fadeInLeft</option>          <option value="fadeInLeftBig">fadeInLeftBig</option>          <option value="fadeInRight">fadeInRight</option>          <option value="fadeInRightBig">fadeInRightBig</option>          <option value="fadeInUp">fadeInUp</option>          <option value="fadeInUpBig">fadeInUpBig</option>        </optgroup>        <optgroup label="Fading Exits">          <option value="fadeOut">fadeOut</option>          <option value="fadeOutDown">fadeOutDown</option>          <option value="fadeOutDownBig">fadeOutDownBig</option>          <option value="fadeOutLeft">fadeOutLeft</option>          <option value="fadeOutLeftBig">fadeOutLeftBig</option>          <option value="fadeOutRight">fadeOutRight</option>          <option value="fadeOutRightBig">fadeOutRightBig</option>          <option value="fadeOutUp">fadeOutUp</option>          <option value="fadeOutUpBig">fadeOutUpBig</option>        </optgroup>        <optgroup label="Flippers">          <option value="flip">flip</option>          <option value="flipInX">flipInX</option>          <option value="flipInY">flipInY</option>          <option value="flipOutX">flipOutX</option>          <option value="flipOutY">flipOutY</option>        </optgroup>        <optgroup label="Lightspeed">          <option value="lightSpeedIn">lightSpeedIn</option>          <option value="lightSpeedOut">lightSpeedOut</option>        </optgroup>        <optgroup label="Rotating Entrances">          <option value="rotateIn">rotateIn</option>          <option value="rotateInDownLeft">rotateInDownLeft</option>          <option value="rotateInDownRight">rotateInDownRight</option>          <option value="rotateInUpLeft">rotateInUpLeft</option>          <option value="rotateInUpRight">rotateInUpRight</option>        </optgroup>        <optgroup label="Rotating Exits">          <option value="rotateOut">rotateOut</option>          <option value="rotateOutDownLeft">rotateOutDownLeft</option>          <option value="rotateOutDownRight">rotateOutDownRight</option>          <option value="rotateOutUpLeft">rotateOutUpLeft</option>          <option value="rotateOutUpRight">rotateOutUpRight</option>        </optgroup>        <optgroup label="Specials">          <option value="hinge">hinge</option>          <option value="rollIn">rollIn</option>          <option value="rollOut">rollOut</option>        </optgroup>        <optgroup label="Zoom Entrances">          <option value="zoomIn">zoomIn</option>          <option value="zoomInDown">zoomInDown</option>          <option value="zoomInLeft">zoomInLeft</option>          <option value="zoomInRight">zoomInRight</option>          <option value="zoomInUp">zoomInUp</option>        </optgroup>        <optgroup label="Zoom Exits">          <option value="zoomOut">zoomOut</option>          <option value="zoomOutDown">zoomOutDown</option>          <option value="zoomOutLeft">zoomOutLeft</option>          <option value="zoomOutRight">zoomOutRight</option>          <option value="zoomOutUp">zoomOutUp</option>        </optgroup>      </select>      <button class="butt js--triggerAnimation">重试效果</button>    </form>      </div></main>