.menu_bar {
    display: none;
}

@media screen and (max-width:750px ) {
    .tabla_navegador {
        display: none;
    }

    nav {
        display: block;
    }

    .contenedor {
        width: 100%;
    }

    section {
        border-radius: 0px;
        -moz-border-radius: 0px;
        -webkit-border-radius: 0px;
    }

    nav {
        width: 100%;
        height: 100%;
        margin: 0 auto;
        position: absolute;
        z-index: 2;
        left: -100%;
        background: none;
    }

        nav ul li {
            display: block;
            float: none;
        }

            nav ul li a {
                width: 100%;
                max-width: 720px;
                border-bottom: 3px solid rgba(255,255,255, .3);
                text-align: left;
                background: #8f0610;
                margin: 0;
            }

    .nosotros {
        border-top: 3px solid rgba(255,255,255, .3) !IMPORTANT;
    }

    nav ul li a:hover {
        background: #d3878b;
    }

    .menu_bar {
        display: block;
        width: 100%;
        padding: 0px;
        background: #8f0610;
        color: #ffffff;
        text-decoration: none;
        font-size: 20px;
        -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
        border-bottom: 3px solid rgba(255,255,255, .3) !IMPORTANT;
    }

    span.menu img {
        margin-right: 10px;
        width: 30px;
        border: 0px solid green;
        vertical-align: top;
    }

    .menu_bar a {
        color: #fff;
        display: block;
        text-decoration: none;
        padding: 10px;
    }

    .menu_bar span {
        float: right;
        font-size: 40px;
    }

    /*Menu responsive*/
    #tipo_cia {
        display: block;
    }

    .contenedor {
        width: 100%;
    }

    section {
        border-radius: 0px;
        -moz-border-radius: 0px;
        -webkit-border-radius: 0px;
    }

    #tipo_cia {
        width: 100%;
        height: 100%;
        margin: 0 auto;
        position: absolute;
        z-index: 2;
        left: -100%;
        background: none;
    }

        #tipo_cia ul li {
            display: block;
            float: none;
        }

            #tipo_cia ul li a {
                width: 100%;
                max-width: 720px;
                border-bottom: 3px solid rgba(255,255,255, .3);
                text-align: left;
                background: #8f0610;
                margin: 0;
            }

    .nosotros {
        border-top: 3px solid rgba(255,255,255, .3) !IMPORTANT;
    }

    #tipo_cia ul li a:hover {
        background: #d3878b;
    }

    .menu_bar {
        display: block;
        width: 100%;
        padding: 0px;
        background: #8f0610;
        color: #ffffff;
        text-decoration: none;
        font-size: 20px;
        -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
        border-bottom: 3px solid rgba(255,255,255, .3) !IMPORTANT;
    }

    span.menu img {
        margin-right: 10px;
        width: 30px;
        border: 0px solid green;
        vertical-align: top;
    }

    .menu_bar a {
        color: #fff;
        display: block;
        text-decoration: none;
        padding: 10px;
    }

    .menu_bar span {
        float: right;
        font-size: 40px;
    }
}