._top_theme {
    background-color: #fff;
}

#_logo {
    /*position: relative;*/
    float: left;
    margin-left: 20px;
    /*z-index: 1;*/
}

._toptop {
    margin: 0 auto;
    max-width: 1200px;
    padding: 15px 0;
}

#main-nav {
    float: right;
}

@media (max-width: 1024px) {
    ._top_theme {
        height: 80px;
    }

    ._toptop {
        width: 100%;
        text-align: right;
    }

    .main-menu-btn {
        right: 0;
        margin: 10px 20px;
    }

    #main-menu {
        margin-top: 14px;
    }

    #main-nav {
        float: none;
    }
}