越来越强大的css！

<style>
html,body,div {height:100%; margin:0; padding:0;}
div {background:url(./images/girl_2.jpg) rgba(236,138,0,0.35); background-size:100% auto;}
div:hover {background-blend-mode:multiply;}
</style>
<div></div>

随便弄张背景图看看 加温滤镜！！！