Windows 8

css特效代码：

<style type="text/css">
.hnyei{margin: 0 auto; width:600px; height:400px; background-color: #90da15; }
.wrapp{position: absolute;    top: 25%;    left: 50%;    width: 600px;    height: 300px;    margin: -150px 0 0 -300px;
    -webkit-perspective: 30px;
    -webkit-transform: translateX(0px);
    -webkit-animation: wrapp 400ms 800ms ease-in forwards;
    -moz-perspective: 30px;
    -moz-transform: translateX(0px);
    -moz-animation: wrapp 400ms 800ms ease-in forwards;
    -ms-perspective: 30px;
    -ms-transform: translateX(0px);
    -ms-animation: wrapp 400ms 800ms ease-in forwards;
    perspective: 30px;
    transform: translateX(0px);
    animation: wrapp 400ms 800ms ease-in forwards;
}
.text{
    position: absolute;top: 50%;left: 50%;width: 0px;height: 60px;    margin: -30px 0 0 -160px;overflow: hidden;
    -webkit-transform: translateX(0px);
    -webkit-animation: text 400ms 800ms linear forwards;
    -moz-transform: translateX(0px);
    -moz-animation: text 400ms 800ms linear forwards;
    -ms-transform: translateX(0px);
    -ms-animation: text 400ms 800ms linear forwards;
    transform: translateX(0px);
    animation: text 400ms 800ms linear forwards;
}
h1{float: right;font-family: "Segoe UI", Frutiger, "Frutiger Linotype", "Dejavu Sans", "Helvetica Neue", Arial, sans-serif;
    font-weight: normal;color: #fff;padding: 0;margin: 0;width: 320px;height: 60px;font-size: 60px;line-height: 60px;
}
.logo{position: absolute;    top: 50%; left: 50%; width: 90px; height: 90px; margin: -45px 0 0 -45px;
    background-color: #fff;
    -webkit-transform: translateX(0px) rotateY(10deg);
    -webkit-animation: logo 500ms 300ms ease-out forwards;
    -moz-transform: translateX(0px) rotateY(10deg);
    -moz-animation: logo 500ms 300ms ease-out forwards;
    -ms-transform: translateX(0px) rotateY(10deg);
    -ms-animation: logo 500ms 300ms ease-out forwards;
    transform: translateX(0px) rotateY(10deg);
    animation: logo 500ms 300ms ease-out forwards;
}
.logo .top-left{position: absolute;top: 0;left: 0;width: 44px;height: 44px;border-right: solid 2px #90da15;border-bottom: solid 2px #90da15;}
.logo .bottom-right{position: absolute;    bottom: 0;    right: 0;    width: 44px;    height: 44px;    border-left: solid 2px #90da15;    border-top: solid 2px #90da15;}
@-webkit-keyframes logo {
    from {-webkit-transform:  translateX(0px) rotateY(10deg);}
    to {-webkit-transform:  translateX(0px) rotateY(-10deg);}
}
@-webkit-keyframes text {
    from {width: 0px;-webkit-transform: translateX(0px);}
    60%{width: 0px;}
    to {width: 320px;-webkit-transform: translateX(240px);}
}
@-webkit-keyframes wrapp {
    from {-webkit-transform: translateX(0px);}
    to {-webkit-transform: translateX(-200px);}
}
@-moz-keyframes logo {
    from {-moz-transform:  translateX(0px) rotateY(10deg);}
    to {-moz-transform:  translateX(0px) rotateY(-10deg);}
}
@-moz-keyframes text {
    from {width: 0px;-moz-transform: translateX(0px);}
    60%{width: 0px;}
    to {width: 320px;-moz-transform: translateX(240px);}
}
@-moz-keyframes wrapp {
    from {-moz-transform: translateX(0px);}
    to {-moz-transform: translateX(-200px);}
}

@-ms-keyframes logo {
    from {-ms-transform:  translateX(0px) rotateY(10deg);}
    to {-ms-transform:  translateX(0px) rotateY(-10deg);}
}
@-ms-keyframes text {
    from {width: 0px;-ms-transform: translateX(0px);}
    60%{width: 0px;}
    to {width: 320px;-ms-transform: translateX(240px);}
}
@-ms-keyframes wrapp {
    from {-ms-transform: translateX(0px);}
    to {-ms-transform: translateX(-200px);}
}
@keyframes logo {
    from {transform:  translateX(0px) rotateY(10deg);}
    to {transform:  translateX(0px) rotateY(-10deg);}
}
@keyframes text {
    from {width: 0px;transform: translateX(0px);}
    60%{width: 0px;}
    to {width: 320px;transform: translateX(240px);}
}
@keyframes wrapp {
    from {transform: translateX(0px);}
    to {transform: translateX(-200px);}
}
</style>

Html 部分：

<div class="hnyei">
    <div class="wrapp">
        <div class="text">
            <h1>Windows 8</h1>
        </div>
        <div class="logo">
            <span class="top-left"></span>
            <span class="bottom-right"></span>
        </div>
    </div>
</div>