#advertbox{
    background-color: #f7fafd;
}

#maincontentcontainer{
    height: 75vh;
     /* height: calc(100% -120px); */
     overflow-y: auto;
     scrollbar-width: thin;
 }
 #notloggedin{
     height: 75vh;
 }
@media screen and (max-width: 767px){
    #advertbox{
        display: none;
    }
    #maincontentcontainer{
        height: 100vh;
    }
    #notloggedin{
        height: 51vh;
    }
}