@media(min-width:576px){.modal-dialog{margin:0 auto}}.modal-center{text-align:center;padding:0!important}.modal-center:before{content:'';display:inline-block;height:100%;vertical-align:middle;margin-right:-4px;width:200px}.modal-dialog.modal-dialog-center{display:inline-block;text-align:left;vertical-align:middle;width:40%}