@media only screen and (min-width: 360px) {
    .img_bookcontent {display:block;}
    .img_bookcontent_right {display:none;}
    .navbar_guest{display:none;}
    .navbar_guest_responsive{display:revert;}
    .search_responsive{margin-left:5%;width:78%;}
    .notif1{display:none;}
    .center_search{text-align:center;}
    .min_width_read{width:92% !important;}
    .margin_loading{padding-top:200px;}
}

@media only screen and (min-width: 768px) {
    .img_bookcontent {display:none;}
    .img_bookcontent_right {display:revert;}
    .navbar_guest{display:revert;}
    .navbar_guest_responsive{display:none;}
    .search_responsive{margin-left:0;width:inherit;}
    .notif1{display:block;}
    .center_search{text-align:left;}
    .min_width_read{width:80% !important;}
    .margin_loading{padding-top:25px;}
}