.modal.show {
    opacity: 1;
}

.modal-LHN {
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
}
.modal-LHN a{
    background: #186baa;
    color: white;
    font-weight: bold;
    padding: 5px;
    border-radius: 5px;
    margin: 5px;
    width: 150px;
    text-align: center;
}
.w-100pt{
    width: 100%;
}
.modal-cusH .modal-dialog{
    height: auto !important; 
    padding-top: 200px;
}
.btn-dang-ky{
    font-size: 18px !important;
    padding: 8px 20px !important;
    color: white !important;
}
.affix {
    top: 0;
    width: 100%;
    z-index: 9999 !important;
}
.po-sticky{
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    z-index: 1;
}
.zalo-chat-widget{
    border: none;
    visibility: visible;
    bottom: 52px;
    right: 52px;
    position: fixed;
    cursor: pointer;
}