.qt-sidebar-main {
    display: none;
}
@media screen and (max-width: 600px){ 

    .qt-prevnext-posts { 
    display:none; 
    } 
}

.qt-content-primary-dark.qt-prevnext-posts.qt-negative {
    display: none;
}

.qt-subtitle {
 display: none;
}
.qt-post-author.qt-card {
 display: none;
}