#preloading{position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:rgba(0,0,0,.8);display:flex;color:#fff;align-items:center;justify-content:center;z-index:1039}#reader{width:350px;margin:0 auto}#student-photo{position:relative;display:inline-block}#student-photo a.btn-danger{position:absolute;top:0;right:0;transform:translateX(50%)}.modal .select2-container{width:100% !important}