问chrome和firefox中的css导航菜单问题

EN

#candymenu li {
    list-style-type: none;
    display: inline-block;
    width: 8.1em;
    float: center;
    text-align: center;
    font-family: "Lucida Grande", sans-serif;
    height: 3em;
}
#candymenu ul {
    width: 100%;
    margin:0 153px;

}   


#candymenu li a {
    display: inline-block;
    margin 150px;    
    padding: .5em .5em .5em .5em;
    text-decoration: none;
}

#candymenu li {
    list-style-type: none;
    display: inline-block;

    width: 8.1em;
    float: center;
    text-align: center;
    font-family: "Lucida Grande", sans-serif;
    height: 3em;
    border-right: 1px #818181 solid;
    -webkit-box-shadow: 1px 1px  #bbb;
    box-shadow: 1px 1px  1px #bbb;
}

#candymenu li a {
    display: inline-block;
    padding: .8em .5em .5em .5em;
    text-decoration: none;
    color: #292929;
    text-shadow: 1px 1px 1px #cccccc;
}

#candymenu li {
    background-color: #c9c9c9;
    background-image: -webkit-gradient(linear, left top, left bottom, from(#c9c9c9),    to(#848484), color-stop(0.6, #a1a1a1));
}

#candymenu li:hover {
    background-color: #dc3d73;
    background-image: -webkit-gradient(linear, left top, left bottom, from(#dc3d73), to(#4c4c4c), color-stop(0.6, #474747));
}

#candymenu li:hover a {
    color: #e8e8e8;
    text-shadow: 1px 1px 0px #353535;
}

<div id="candymenu">    
    <ul>
        <li id="home">
            <a href="">Home</a></li>
        <li id="Gaming">
            <a href="">Gaming</a></li>
        <li id="Reviews">
            <a href="">Reviews</a></li>
        <li id="News">
            <a href="">news</a></li>
        <li id="Interviews">
            <a href="">interviews</a></li>
        <li id="download">
            <a href="">Download</a> </li>
        <li id="support">
            <a href="">Support</a></li>
        <li id="candy">
            <a href="">Candy</a></li>
        <li id="events">
            <a href="">Events</a></li>
    </ul>
</div>