CSS在Macbook Pro视网膜中不起作用

Question

I use google chrome and mozilla firefox.

My menu bar in windows works perfectly. http://i.stack.imgur.com/n2yPV.jpg

But in mac appears like this. http://i.stack.imgur.com/Gv5GB.jpg

This is my code:

    @media (min-width: 1440px) and (max-width: 1920px) {

    .last-item .menu-title {
        margin-right: 3px;
    }

     #leo-mainnav ul li.last-item.active {
        background-color: #001b48;
        color: #fff;
        width: 134px;
    }

     #leo-mainnav ul li.last-item:hover {
        background-color: #001b48;
        color: #fff;
        width: 134px;
    }

}

Answer 1

您必须确保在网络浏览器中确定应该使用什么才能使公式起作用http://www.w3schools.com/cssref/css3_browsersupport.asp

Answer 2

您是否使用normalise.css在所有浏览器中重置了CSS？