/* Định dạng hàng (row) */
.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
}

/* Cột mặc định */
.col {
    flex: 1 0 0%;
    max-width: 100%;
    padding-right: 15px;
    padding-left: 15px;
}

/* Các cột có kích thước cụ thể */
/*.col-1 {*/
/*    flex: 0 0 8.33%;*/
/*    max-width: 8.33%;*/
/*}*/
/*.col-2 {*/
/*    flex: 0 0 16.66%;*/
/*    max-width: 16.66%;*/
/*}*/
/*.col-3 {*/
/*    flex: 0 0 25%;*/
/*    max-width: 25%;*/
/*}*/
/*.col-4 {*/
/*    flex: 0 0 33.33%;*/
/*    max-width: 33.33%;*/
/*}*/
/*.col-5 {*/
/*    flex: 0 0 41.66%;*/
/*    max-width: 41.66%;*/
/*}*/
/*.col-6 {*/
/*    flex: 0 0 50%;*/
/*    max-width: 50%;*/
/*}*/
/*.col-7 {*/
/*    flex: 0 0 58.33%;*/
/*    max-width: 58.33%;*/
/*}*/
/*.col-8 {*/
/*    flex: 0 0 66.66%;*/
/*    max-width: 66.66%;*/
/*}*/
/*.col-9 {*/
/*    flex: 0 0 75%;*/
/*    max-width: 75%;*/
/*}*/
/*.col-10 {*/
/*    flex: 0 0 83.33%;*/
/*    max-width: 83.33%;*/
/*}*/
/*.col-11 {*/
/*    flex: 0 0 91.66%;*/
/*    max-width: 91.66%;*/
/*}*/
.col-12 {
    flex: 0 0 100%;
    max-width: 100%;
}

/* Cột responsive theo breakpoint */
@media (min-width: 576px) {
    /* Small (sm) */
    .col-sm-1 {
        flex: 0 0 8.33%;
        max-width: 8.33%;
    }
    .col-sm-2 {
        flex: 0 0 16.66%;
        max-width: 16.66%;
    }
    .col-sm-3 {
        flex: 0 0 25%;
        max-width: 25%;
    }
    .col-sm-4 {
        flex: 0 0 33.33%;
        max-width: 33.33%;
    }
    .col-sm-5 {
        flex: 0 0 41.66%;
        max-width: 41.66%;
    }
    .col-sm-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
    .col-sm-7 {
        flex: 0 0 58.33%;
        max-width: 58.33%;
    }
    .col-sm-8 {
        flex: 0 0 66.66%;
        max-width: 66.66%;
    }
    .col-sm-9 {
        flex: 0 0 75%;
        max-width: 75%;
    }
    .col-sm-10 {
        flex: 0 0 83.33%;
        max-width: 83.33%;
    }
    .col-sm-11 {
        flex: 0 0 91.66%;
        max-width: 91.66%;
    }
    .col-sm-12 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

@media (min-width: 768px) {
    /* Medium (md) */
    .col-md-1 {
        flex: 0 0 8.33%;
        max-width: 8.33%;
    }
    .col-md-2 {
        flex: 0 0 16.66%;
        max-width: 16.66%;
    }
    .col-md-3 {
        flex: 0 0 25%;
        max-width: 25%;
    }
    .col-md-4 {
        flex: 0 0 33.33%;
        max-width: 33.33%;
    }
    .col-md-5 {
        flex: 0 0 41.66%;
        max-width: 41.66%;
    }
    .col-md-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
    .col-md-7 {
        flex: 0 0 58.33%;
        max-width: 58.33%;
    }
    .col-md-8 {
        flex: 0 0 66.66%;
        max-width: 66.66%;
    }
    .col-md-9 {
        flex: 0 0 75%;
        max-width: 75%;
    }
    .col-md-10 {
        flex: 0 0 83.33%;
        max-width: 83.33%;
    }
    .col-md-11 {
        flex: 0 0 91.66%;
        max-width: 91.66%;
    }
    .col-md-12 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

@media (min-width: 992px) {
    /* Large (lg) */
    .col-lg-1 {
        flex: 0 0 8.33%;
        max-width: 8.33%;
    }
    .col-lg-2 {
        flex: 0 0 16.66%;
        max-width: 16.66%;
    }
    .col-lg-3 {
        flex: 0 0 25%;
        max-width: 25%;
    }
    .col-lg-4 {
        flex: 0 0 33.33%;
        max-width: 33.33%;
    }
    .col-lg-5 {
        flex: 0 0 41.66%;
        max-width: 41.66%;
    }
    .col-lg-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
    .col-lg-7 {
        flex: 0 0 58.33%;
        max-width: 58.33%;
    }
    .col-lg-8 {
        flex: 0 0 66.66%;
        max-width: 66.66%;
    }
    .col-lg-9 {
        flex: 0 0 75%;
        max-width: 75%;
    }
    .col-lg-10 {
        flex: 0 0 83.33%;
        max-width: 83.33%;
    }
    .col-lg-11 {
        flex: 0 0 91.66%;
        max-width: 91.66%;
    }
    .col-lg-12 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

@media (min-width: 1200px) {
    /* Extra Large (xl) */
    .col-xl-1 {
        flex: 0 0 8.33%;
        max-width: 8.33%;
    }
    .col-xl-2 {
        flex: 0 0 16.66%;
        max-width: 16.66%;
    }
    .col-xl-3 {
        flex: 0 0 25%;
        max-width: 25%;
    }
    .col-xl-4 {
        flex: 0 0 33.33%;
        max-width: 33.33%;
    }
    .col-xl-5 {
        flex: 0 0 41.66%;
        max-width: 41.66%;
    }
    .col-xl-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
    .col-xl-7 {
        flex: 0 0 58.33%;
        max-width: 58.33%;
    }
    .col-xl-8 {
        flex: 0 0 66.66%;
        max-width: 66.66%;
    }
    .col-xl-9 {
        flex: 0 0 75%;
        max-width: 75%;
    }
    .col-xl-10 {
        flex: 0 0 83.33%;
        max-width: 83.33%;
    }
    .col-xl-11 {
        flex: 0 0 91.66%;
        max-width: 91.66%;
    }
    .col-xl-12 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* FORM */
.form-group {
  margin-bottom: 15px;
}
.form-horizontal .form-group-sm .form-control {
    height: 30px;
    padding: 5px 10px;
    font-size: 12px;
    line-height: 1.5;
    border-radius: 3px;
}
.form-horizontal .form-group-lg .form-control {
    height: 46px;
    padding: 10px 16px;
    font-size: 18px;
    line-height: 1.33;
    border-radius: 6px;
}

.form-horizontal .radio,
.form-horizontal .checkbox,
.form-horizontal .radio-inline,
.form-horizontal .checkbox-inline {
    padding-top: 7px;
    margin-top: 0;
    margin-bottom: 0;
}

.form-horizontal .radio,
.form-horizontal .checkbox {
    min-height: 27px;
}

.form-horizontal .form-group {
    margin-right: -15px;
    margin-left: -15px;
}

@media (min-width: 768px) {
    .form-horizontal .control-label {
        padding-top: 7px;
        margin-bottom: 0;
        text-align: right;
    }

    .form-horizontal .form-group-lg .control-label {
        padding-top: 14.3px;
    }

    .form-horizontal .form-group-sm .control-label {
        padding-top: 6px;
    }
}

.form-horizontal .has-feedback .form-control-feedback {
    top: 0;
    right: 15px;
}

.btn {
    display: inline-block;
    padding: 6px 12px;
    margin-bottom: 0;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.42857143;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    background-image: none;
    border: 1px solid transparent;
    border-radius: 4px;
}

.btn:focus,
.btn:active:focus,
.btn.active:focus {
    outline: thin dotted;
    outline: 5px auto -webkit-focus-ring-color;
    outline-offset: -2px;
}


.btn-default {
  color: #333;
  background-color: #fff;
  border-color: #ccc
}

.btn-default:hover,.btn-default:focus,.btn-default:active,.btn-default.active,.open>.dropdown-toggle.btn-default {
  color: #333;
  background-color: #e6e6e6;
  border-color: #adadad
}

.btn-default:active,.btn-default.active,.open>.dropdown-toggle.btn-default {
  background-image: none
}

.btn-default.disabled,.btn-default[disabled],fieldset[disabled] .btn-default,.btn-default.disabled:hover,.btn-default[disabled]:hover,fieldset[disabled] .btn-default:hover,.btn-default.disabled:focus,.btn-default[disabled]:focus,fieldset[disabled] .btn-default:focus,.btn-default.disabled:active,.btn-default[disabled]:active,fieldset[disabled] .btn-default:active,.btn-default.disabled.active,.btn-default[disabled].active,fieldset[disabled] .btn-default.active {
  background-color: #fff;
  border-color: #ccc
}

.btn-default .badge {
  color: #fff;
  background-color: #333
}

.clearfix:before,.clearfix:after,.dl-horizontal dd:before,
.dl-horizontal dd:after,
/* .container:before,
.container:after,
.container-fluid:before,
.container-fluid:after,
.row:before,.row:after, */
.form-horizontal .form-group:before,.form-horizontal .form-group:after,
/* .btn-toolbar:before,.btn-toolbar:after,
.btn-group-vertical>.btn-group:before,
.btn-group-vertical>.btn-group:after,.nav:before,
.nav:after,.navbar:before,.navbar:after,.navbar-header:before,
.navbar-header:after,.navbar-collapse:before,.navbar-collapse:after,
.pager:before,.pager:after,.panel-body:before,.panel-body:after,.modal-footer:before, */
.modal-footer:after {
  display: table;
  content: " "
}
.clearfix:after,.dl-horizontal dd:after,
/* .container:after,.container-fluid:after,
.row:after, */
.form-horizontal .form-group:after
/* .btn-toolbar:after,
.btn-group-vertical>.btn-group:after,.nav:after,
.navbar:after,.navbar-header:after,.navbar-collapse:after,
.pager:after,.panel-body:after,.modal-footer:after */
 {
  clear: both
}
.pull-left {
  float: left!important
}