.drop_menu {
    background: #FFFFFF;
    list-style: none;
    height: 50px;
    width: 70%;
    border: 0px solid green;
    margin: auto;
}

    .drop_menu li {
        float: left;
        display: inline;
        border-right: 1px solid #dfe2e3;
        height: 50px;
    }

        .drop_menu li:first-child {
            background-color: #127fa3;
            color: white !important;
        }

            .drop_menu li:first-child a {
                color: white !important;
            }

        .drop_menu li a {
            padding: 16px 20px;
            display: block;
            color: #858788 !important;
            text-decoration: none;
            font: 15px arial, verdana, sans-serif;
            text-align: center;
        }

    /* Submenu */
    .drop_menu ul {
        /*position: absolute;*/
        /*left: -9999px;
        top: -9999px;
        list-style-type: none;*/
    }


    .drop_menu li:hover {
        position: relative;
        /*background: #FFFFFF;*/
    }

        .drop_menu li:hover ul {
            left: 0px;
            top: 30px;
            background: #FFFFFF;
            padding: 0px;
        }

            .drop_menu li:hover ul li a {
                padding: 5px;
                display: block;
                text-indent: 15px;
                background-color: #FFFFFF;
            }

                .drop_menu li:hover ul li a:hover {
                    background: #FFFFFF;
                }