.main-nav:after {
                            clear: both;
                            content: "\00a0";
                            display: block;
                            height: 0;
                            font: 0px/0 serif;
                            overflow: hidden;
                        }

                        .nav-brand {
                            float: left;
                            margin: 0;
                        }

                        .nav-brand a {
                            display: block;
                            padding: 10px 10px 10px 20px;
                            color: #fff;
                            font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
                            font-size: 22px;
                            font-weight: normal;
                            line-height: 29px;
                            text-decoration: none;
                        }

                        #main-menu {
                            clear: both;
                            -webkit-box-shadow: none;
                            -moz-box-shadow: none;
                            box-shadow: none;
                        }

                        @media (min-width: 768px) {
                            #main-menu {
                              /*  float: right;*/
                                clear: none;
                            }
                        }
                        #main-menu:before {
                            content: '';
                            display: block;
                            height: 1px;
                            font: 1px/1px sans-serif;
                            overflow: hidden;
                            
                        }

                        @media (min-width: 768px) {
                            #main-menu:before {
                                display: none;
                            }
                        }


                        .main-menu-btn {
                            float: right;
                            margin: 5px;
                            position: relative;
                            display: inline-block;
                            width: 29px;
                            height: 29px;
                            text-indent: 29px;
                            white-space: nowrap;
                            overflow: hidden;
                            cursor: pointer;
                            -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
                        }
                        .main-menu-btn-icon,
                        .main-menu-btn-icon:before,
                        .main-menu-btn-icon:after {
                            position: absolute;
                            top: 50%;
                            left: 0;
                            height: 3px;
                            width: 18px;
                            background: #fff;
                            -webkit-transition: all 0.25s;
                            transition: all 0.25s;
                        }

                        .main-menu-btn-icon:before {
                            content: '';
                            top: -7px;
                            left: 0;
                        }

                        .main-menu-btn-icon:after {
                            content: '';
                            top: 7px;
                            left: 0;
                        }


                        #main-menu-state:checked ~ .main-menu-btn .main-menu-btn-icon {
                            height: 0;
                            background: transparent;
                        }

                        #main-menu-state:checked ~ .main-menu-btn .main-menu-btn-icon:before {
                            top: 0;
                            -webkit-transform: rotate(-45deg);
                            transform: rotate(-45deg);
                        }

                        #main-menu-state:checked ~ .main-menu-btn .main-menu-btn-icon:after {
                            top: 0;
                            -webkit-transform: rotate(45deg);
                            transform: rotate(45deg);
                        }


                        #main-menu-state {
                            position: absolute;
                            width: 1px;
                            height: 1px;
                            margin: -1px;
                            border: 0;
                            padding: 0;
                            overflow: hidden;
                            clip: rect(1px, 1px, 1px, 1px);
                        }


                        #main-menu-state:not(:checked) ~ #main-menu {
                            display: none;
                        }

                        #main-menu-state:checked ~ #main-menu {
                            display: block;
                        }

                        @media (min-width: 768px) {
                            .main-menu-btn {
                                position: absolute;
                                top: -99999px;
                            }
                            #main-menu-state:not(:checked) ~ #main-menu {
                                display: inline-block;
                               /* display: block;*/
                                /*display: flex;
                                justify-content: center;*/
                            }
                        }