 .swiper-father{
            position: fixed;
            top: 0px;
            height:50px;
            position:relative;
        } 

        #nav {
            margin-top: 0px;
            border-bottom: 1px solid #EBEEF5;
            padding: 10px;
        }

        nav a {
            text-decoration: none;
            color: #007aff;
        }

        #nav li {
            text-align: center;
        }

        .active-nav {
            color: #fff;
        }

        .active-nav a {
            color: #007aff;
        }

        a {
            text-decoration: none;
            color: #666;
        }
        .swiper-button-prev:after {
            content: 'prev';
            font-size: 14px;
        }
        .swiper-button-next:after  {
            content: 'next';
            font-size: 14px;
        }
        .swiper-button-prev{
            width: 5%;
            height: 5%;
            margin-top: -6px;
        }
        .swiper-button-next{
	        width: 5%;
            height: 5%;
            margin-top: -6px;
        }
        .swiper-button-prev {
            left: 0px; 
        }
        .swiper-button-next{
            right:0px;
        }