#mainmenu {
background: #CAF182;
height: 30px; /**/
text-align:center;
margin: 0 10%;
z-index: 10
}

#mainmenu ul {
list-style: none;
margin:auto;
display:inline-block;
text-align:left;
z-index: 10
}

}

#mainmenu ul li {
    position:relative;
    float:left;
    margin:0 4px;
    height:30px;
z-index: 10
}



#mainmenu ul li a {
    display:block;
    text-decoration:none;
    padding: 4px;
font-size:18px;
z-index: 10
}

#mainmenu ul li a:hover, #mainmenu ul li a:focus {
    background-color:#409EFF;
    color:#fff;
z-index: 10
}
#mainmenu ul li ul {background: #c9deef;
z-index: 10}