unity web 自适应屏幕代码

<style type="text/css">

<!--
html, body {
width: 100%;
height: 100%;
overflow: hidden;
padding: 0px;
margin: 0px;
border: none;
}

body {
width: 100%;
height: 100%;
overflow: hidden;
font-family: Helvetica, Verdana, Arial, sans-serif;
/*background-color: white;
color: black;*/
text-align: center;
border: none;
}

a:link, a:visited {
color: #000;
}

a:active, a:hover {
color: #666;
}

p.header {
font-size: small;
}

p.header span {
font-weight: bold;
}

p.footer {
font-size: x-small;
}

div.content {
border-width: 0px;
border-color: none;
margin: auto;
/*width: 960px;*/
width: 100%;
height: 100%;
border-color: none;
}

div.broken,
div.missing {
margin: auto;
position: relative;
top: 50%;
width: 193px;
}

div.broken a,
div.missing a {
height: 63px;
position: relative;
top: -31px;
}

div.broken img,
div.missing img {
border-width: 0px;
border-color: none;
border-width: 0px;
}

div.broken {
border-width: 0px;
border-color: none;
display: none;
border-color: none;
}

div#unityPlayer {
border-width: 0px;
border-color: none;
cursor: default;
height: 100%;
width: 100%;
}
-->
</style>