.btn-group-vertical > .btn-group:after,
.btn-group-vertical > .btn-group:before,
.btn-toolbar:after,
.btn-toolbar:before,
.clearfix:after,
.clearfix:before,
.container-fluid:after,
.container-fluid:before,
.container:after,
.container:before,
.dl-horizontal dd:after,
.dl-horizontal dd:before,
.form-horizontal .form-group:after,
.form-horizontal .form-group:before,
.modal-footer:after,
.modal-footer:before,
.modal-header:after,
.modal-header:before,
.nav:after,
.nav:before,
.navbar-collapse:after,
.navbar-collapse:before,
.navbar-header:after,
.navbar-header:before,
.navbar:after,
.navbar:before,
.pager:after,
.pager:before,
.panel-body:after,
.panel-body:before,
.row:after,
.row:before {
    display: table;
    content: " ";
}

.btn-group-vertical > .btn-group:after,
.btn-toolbar:after,
.clearfix:after,
.container-fluid:after,
.container:after,
.dl-horizontal dd:after,
.form-horizontal .form-group:after,
.modal-footer:after,
.modal-header:after,
.nav:after,
.navbar-collapse:after,
.navbar-header:after,
.navbar:after,
.pager:after,
.panel-body:after,
.row:after {
    clear: both;
}

.center-block {
    display: block;
    margin-right: auto;
    margin-left: auto;
}

@-ms-viewport {
    width: device-width;
}

.visible-lg,
.visible-lg-block,
.visible-lg-inline,
.visible-lg-inline-block,
.visible-md,
.visible-md-block,
.visible-md-inline,
.visible-md-inline-block,
.visible-sm,
.visible-sm-block,
.visible-sm-inline,
.visible-sm-inline-block,
.visible-xs,
.visible-xs-block,
.visible-xs-inline,
.visible-xs-inline-block {
    display: none !important;
}

@media (max-width:767px) {
    .visible-xs {
        display: block !important;
    }

    table.visible-xs {
        display: table !important;
    }

    tr.visible-xs {
        display: table-row !important;
    }

    td.visible-xs,
    th.visible-xs {
        display: table-cell !important;
    }
}

@media (max-width:767px) {
    .visible-xs-block {
        display: block !important;
    }
}

@media (max-width:767px) {
    .visible-xs-inline {
        display: inline !important;
    }
}

@media (max-width:767px) {
    .visible-xs-inline-block {
        display: inline-block !important;
    }
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.text-center {
    text-align: center !important;
}

@media (max-width:767px) {
    .hidden-xs {
        display: none !important;
    }
}