问铬填充，但在firefox或ie中

EN

<nav id="mainMenu">
    <ul id="menuLinks">
        <li><a href="#">Link 1</a></li>
        <li><a href="#">Link 2</a></li>
        <li><a href="#">Link 3</a></li>
    </ul>
</nav>

* {
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    font-size: 13px;
    line-height: 1.3em;
}

nav#mainMenu {
    height: 35px;
    background-color: #F5F5F5;
    margin-bottom: 10px;
    border-bottom: 1px solid #C2C2C2;
    border-radius: 5px 5px 0px 0px;
}

nav#mainMenu ul {
    float: left;
    padding-top: 15px;
    list-style-type: none;
}

nav#mainMenu ul li {
    padding-left: 5px;
    display: inline;
}

nav#mainMenu ul li a {
    color: black;
    font-size: 0.9em;
    font-weight: bold;
    background-color: #FFFFFF;
    padding: 5px 15px 4px 15px;
    border-top: 1px solid #C2C2C2;
    border-left: 1px solid #C2C2C2;
    border-right: 1px solid #C2C2C2;
    border-radius: 4px 4px 0px 0px;
}