body{
    position: relative;
/*    overflow-x: hidden;*/
    overflow-y: scroll;
}
#sidebar {
    position: sticky;
    top: 40px;
}
/* sidebar */
.bs-docs-sidebar {
    font-family: 'Siddhanta', 'Lohit-Tamil', "gentiumbasic", "Noto Serif Kannada", "Noto Serif Telugu";
    padding-left: 20px;
    margin-top: 10px;
    margin-bottom: 20px;
}

/* all links */
.bs-docs-sidebar .nav {
    display: block;
}

.bs-docs-sidebar .nav>li {
    display: block !important;
}
.bs-docs-sidebar .nav>li>a {
    color: #555;
    border-left: 2px solid transparent;
    padding: 1px 20px;
    font-size: 16px;
    line-height: 32px;
}

/* nested links */
.bs-docs-sidebar .nav .nav>li>a {
    padding-top: 1px;
    padding-bottom: 1px;
    padding-left: 40px;
    font-size: 14px;
}

.bs-docs-sidebar .nav .nav .nav>li>a {
    padding-left: 60px;
}

/* active & hover links */
.bs-docs-sidebar .nav>li>.nav>li>a.nav-link.active, 
.bs-docs-sidebar .nav>li>.nav>li>a.nav-link:hover, 
.bs-docs-sidebar .nav>li>.nav>li>a.nav-link:focus {
    color: #3F51B5;                 
    text-decoration: none;          
    background-color: transparent;  
    border-left-color: #3F51B5; 
    font-weight: 400;
}
.bs-docs-sidebar .nav>li>a.nav-link.active:after {
    /*content: ' ⇽';*/
    font-weight: bold;
}
.bs-docs-sidebar .nav>li>a.nav-link.active, 
.bs-docs-sidebar .nav>li>a.nav-link:hover, 
.bs-docs-sidebar .nav>li>a.nav-link:focus {
    color: #3F51B5;                 
    text-decoration: none;          
    background-color: transparent;  
    border-left-color: #3F51B5; 
    font-weight: 400;
}

.bs-docs-sidebar .nav>li>a.nav-link.active + ul.nav {
    display: block !important;           
}
/* hide inactive nested list */
.bs-docs-sidebar .nav ul.nav {
    display: none;           
}
/* show active nested list */
.bs-docs-sidebar > ul.nav {
    overflow-style: auto !important;
    overflow: auto !important;
    height: 95vh;
    width: 200px;
}

.bs-docs-sidebar > ul.nav>li.nav-item:first-of-type{
    margin-top:  30px;
}

.bs-docs-sidebar .nav>li.special>a {
    color: rgba(0, 0, 0, 0.8);
 }
.bs-docs-sidebar .nav>li.special>a:hover, 
.bs-docs-sidebar .nav>li.special>a:focus {
    color: #3F51B5;
    text-decoration: none;
    /*background-color: transparent;*/
    border-left-color: #F57C00; 
}

.bs-docs-sidebar .nav>li.last{
    margin-bottom: 30px;
}

@media(max-width:768px) {
    #sidebar{
        display: none;
    }
}