.left-side{
    height: auto; 
    border-right: solid 1px #dbdbdb;       
}
.site-menu{
    height: 100vh;    
}
.site-menu .list-group:first-child{
    border-top:none;
    border-top-left-radius:0;
    border-top-right-radius:0;
}
.site-menu .list-group-item:last-child{
    border-top:none;
    border-bottom-right-radius:0;
    border-bottom-left-radius:0;  
}
.site-menu .list-group-item{
    border-right:none;
}