//close modal
.modal-dialog {
    a.close {
        font-size: 16px;
    }
}
  
.modal-dialog-backdrop {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.2);
}