.top{overflow: hidden;width:100%; height:90px; background:#0b6c28;}
.nav{ height:90px; width: 895px; }

.logo{display:block; float:left; width:270px; height:90px;}
.nav li a:hover{background:#064218;}

.nav ul{
    width: 100%;
}
.nav ul>li{
    width: 106px;
}
.nav ul>li a{
    display:block; height:90px; 
    line-height:90px;
    float:left; 
    color:#fff; 
    font-size:20px;
    padding:0 0px;
}