.top-alert {
    position: fixed;
    top: 0px;
    width: 100%!important;
    z-index: 100000;
    left: 0;
    padding: 0px;
    display: inline-block;
    text-align: center;
}

.top-alert .alert .close {
  position: absolute;
  top: 11px;
  right: 10px;
  color: inherit;
}