.zpost-vtime {
   font-size:0px;
    display:block;
}
.post-readtime{
    font-size:16px;
}
.zb-post-details ul li:nth-child(3) {
    display: none;
}

@media only screen and (min-width : 768px) and (max-width: 991px) {
    .post-readtime{
        font-size: 14px;
    }
}
@media only screen and (max-width : 767px) {
     .post-readtime{
        font-size: 12px;
    }
}