/*body{
    background-image: url("https://images.cnblogs.com/cnblogs_com/LuckyZLi/1596615/o_191121014759a3dc66cfb262f8e50f8dd024590e3768.jpg");
    background-position: initial;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-origin: initial;
    background-clip: initial;
    height:100%;
    width:100%;
    }
*/
.scroller-offset1 {text-indent: 0 /* !important */;}
.scroller-offset2 {text-indent: 1.5em;}
.scroller-offset3 {text-indent: 3em;}
.scroller-offset4 {text-indent: 4.5em;}
.scroller-offset5 {text-indent: 6em;}
.scroller-offset6 {text-indent: 7.5em;}
.nav .active {background-color:#f5f5f5;}