.youtube {
    overflow: hidden;
    position: relative;
    width: 100%;
}

    .youtube::after {
        padding-top: 56.25%;
        display: block;
        content: '';
    }

    .youtube iframe {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }

.ripple-surface {
    position: relative;
    overflow: hidden;
    display: inline-block;
    vertical-align: bottom;
}

.input-group > :not(:first-child):not(.dropdown-menu):not(.valid-tooltip):not(.valid-feedback):not(.invalid-tooltip):not(.invalid-feedback) {
    margin-left: -1px;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.btn {
    text-transform: uppercase;
    vertical-align: bottom;
    border: 0;
    box-shadow: 0 2px 5px 0 rgb(0 0 0 / 20%), 0 2px 10px 0 rgb(0 0 0 / 10%);
    font-weight: 500;
    padding: 0.625rem 1.5rem 0.5rem;
    font-size: .75rem;
    line-height: 1.5;
}

@media screen and (-webkit-min-device-pixel-ratio:0) {
    input:focus {
        font-size: 16px;
        background: #eee;
    }
}

.sidebar-1 {
    padding: 0px 25px 0 40px;
    position: relative;
    max-width: calc(100% - 430 px );
}

@media (max-width:575.98px) {
    .sidebar-1 {
        padding: 0px;
        position: relative;
    }
}

.xemnhieugroup {
    background-color: #fff;
    position: fixed;
    top: 0;
    z-index: 100;
}

#Description {
    color: #555;
    font: 400 18px arial !important;
    line-height: 160% !important;
    padding: .8rem 0;
}

#Content p {
    font: 400 18px arial;
    line-height: 160%;
    margin: 0 0 .5em;
    color: #333;
    text-rendering: optimizeSpeed;
}

:root {
    --bs-blue: #0d6efd;
    --bs-indigo: #6610f2;
    --bs-purple: #b01116;
    --bs-pink: #d63384;
    --bs-red: #dc3545;
    --bs-orange: #fd7e14;
    --bs-yellow: #ffc107;
    --bs-green: #198754;
    --bs-teal: #20c997;
    --bs-cyan: #0dcaf0;
    --bs-white: #fff;
    --bs-gray: #6c757d;
    --bs-gray-dark: #343a40;
    --bs-primary: #b01116;
    --bs-secondary: #000;
    --bs-success: #198754;
    --bs-info: #0dcaf0;
    --bs-warning: #ffc107;
    --bs-danger: #dc3545;
    --bs-light: #f8f9fa;
    --bs-dark: #222;
    --bs-font-sans-serif: system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";
    --bs-font-monospace: SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
    --bs-gradient: linear-gradient(180deg,hsla(0,0%,100%,.15),hsla(0,0%,100%,0));
}

*, :after, :before {
    box-sizing: border-box;
}

.h5, .h6, h1, h3, h4 {
    margin-top: 0;
    margin-bottom: .5rem;
    line-height: 1.2;
}

h1 {
    font-size: 1.5rem;
}

h3 {
    font-size: 1.1rem;
}

h4 {
    font-size: 1rem;
}

.h5 {
    font-size: 1rem;
}

.h6 {
    font-size: .875rem;
}

p {
    margin-top: 0;
    margin-bottom: 1rem;
}

ul {
    padding-left: 2rem;
}

ul {
    margin-top: 0;
    margin-bottom: 1rem;
}

    ul ul {
        margin-bottom: 0;
    }

.small {
    font-size: 1em;
}

a {
    text-decoration: none !important;
}

    a:hover {
        color: #885fe0;
    }

img, svg {
    vertical-align: middle;
}

button {
    border-radius: 0;
}

    button:focus:not(:focus-visible) {
        outline: 0;
    }

button, input {
    margin: 0;
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}

button {
    text-transform: none;
}

[type=button], button {
    -webkit-appearance: button;
}

::-moz-focus-inner {
    padding: 0;
    border-style: none;
}

[type=search] {
    outline-offset: -2px;
    -webkit-appearance: textfield;
}

iframe {
    border: 0;
}

.img-fluid {
    max-width: 100%;
    height: auto;
}

.container, .container-fluid {
    width: 100%;
    padding-right: var(--bs-gutter-x,.2rem);
    padding-left: var(--bs-gutter-x,.5rem);
    margin-right: auto;
    margin-left: auto;
}
.col-3 {
    width: 25%;
}

.col-3 {
    -ms-flex: 0 0 auto;
    flex: 0 0 auto;
}

.col-9 {
    width: 75%;
}

.col-9 {
    -ms-flex: 0 0 auto;
    flex: 0 0 auto;
}

.col-12 {
    -ms-flex: 0 0 auto;
    flex: 0 0 auto;
}

.col-12 {
    width: 100%;
}

@media (min-width:576px) {
    .col-sm-4 {
        -ms-flex: 0 0 auto;
        flex: 0 0 auto;
    }

    .col-sm-4 {
        width: 33.33333%;
    }

    .col-sm-8 {
        -ms-flex: 0 0 auto;
        flex: 0 0 auto;
    }

    .col-sm-8 {
        width: 66.66667%;
    }
}

@media (min-width:768px) {
    .col-md-4 {
        -ms-flex: 0 0 auto;
        flex: 0 0 auto;
    }

    .col-md-4 {
        width: 33.33333%;
    }

    .col-md-8 {
        -ms-flex: 0 0 auto;
        flex: 0 0 auto;
    }

    .col-md-8 {
        width: 66.66667%;
    }
}

@media (min-width:992px) {
    .col-lg-4 {
        -ms-flex: 0 0 auto;
        flex: 0 0 auto;
    }

    .col-lg-4 {
        width: 33.33333%;
    }
}

.form-control {
    display: block;
    width: 100%;
    padding: .3rem;
    font-size: .8rem;
    font-weight: 400;
    line-height: 1.5;
    color: #222;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    border-radius: 0;
    transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}

@media (prefers-reduced-motion:reduce) {
    .form-control {
        transition: none;
    }
}

.form-control:focus {
    color: #222;
    background-color: #fff;
    border-color: #b5aff0;
    outline: 0;
    box-shadow: 0 0 0 0 rgba(106,95,224,0);
}

.form-control::-webkit-input-placeholder {
    color: #6c757d;
    opacity: 1;
}

.form-control::-moz-placeholder {
    color: #6c757d;
    opacity: 1;
}

.form-control:-ms-input-placeholder, .form-control::-ms-input-placeholder {
    color: #6c757d;
    opacity: 1;
}

.form-control::placeholder {
    color: #6c757d;
    opacity: 1;
}

.form-control:disabled {
    background-color: #e9ecef;
    opacity: 1;
}

.input-group {
    position: relative;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -ms-flex-align: stretch;
    align-items: stretch;
    width: 100%;
}

    .input-group > .form-control {
        position: relative;
        -ms-flex: 1 1 auto;
        flex: 1 1 auto;
        width: 1%;
        min-width: 0;
    }

        .input-group > .form-control:focus {
            z-index: 3;
        }

    .input-group .btn {
        position: relative;
        z-index: 2;
    }

        .input-group .btn:focus {
            z-index: 3;
        }

    .input-group:not(.has-validation) > :not(:last-child):not(.dropdown-toggle):not(.dropdown-menu) {
        border-top-right-radius: 0;
        border-bottom-right-radius: 0;
    }

    .input-group > :not(:first-child):not(.dropdown-menu):not(.valid-tooltip):not(.valid-feedback):not(.invalid-tooltip):not(.invalid-feedback) {
        margin-left: -1px;
        border-top-left-radius: 0;
        border-bottom-left-radius: 0;
    }

.btn {
    display: inline-block;
    font-weight: 400;
    line-height: 1.5;
    color: #222;
    text-align: center;
    text-decoration: none;
    vertical-align: middle;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    background-color: transparent;
    border: 1px solid transparent;
    padding: .5rem .75rem;
    font-size: .75rem;
    border-radius: 0;
    transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}

@media (prefers-reduced-motion:reduce) {
    .btn {
        transition: none;
    }
}

.btn:hover {
    color: #222;
}

.btn:focus {
    outline: 0;
    box-shadow: 0 0 0 0 rgba(106,95,224,0);
}

.btn:disabled {
    pointer-events: none;
    opacity: .65;
}

.btn-success {
    color: #fff;
    background-color: #198754;
    border-color: #198754;
}

    .btn-success:focus, .btn-success:hover {
        color: #fff;
        background-color: #157347;
        border-color: #146c43;
    }

    .btn-success:focus {
        box-shadow: 0 0 0 0 rgba(60,153,110,.5);
    }

    .btn-success:active {
        color: #fff;
        background-color: #146c43;
        border-color: #13653f;
    }

        .btn-success:active:focus {
            box-shadow: 0 0 0 0 rgba(60,153,110,.5);
        }

    .btn-success:disabled {
        color: #fff;
        background-color: #198754;
        border-color: #198754;
    }

.btn-info {
    color: #000;
    background-color: #0dcaf0;
    border-color: #0dcaf0;
}

    .btn-info:focus, .btn-info:hover {
        color: #000;
        background-color: #31d2f2;
        border-color: #25cff2;
    }

    .btn-info:focus {
        box-shadow: 0 0 0 0 rgba(11,172,204,.5);
    }

    .btn-info:active {
        color: #000;
        background-color: #3dd5f3;
        border-color: #25cff2;
    }

        .btn-info:active:focus {
            box-shadow: 0 0 0 0 rgba(11,172,204,.5);
        }

    .btn-info:disabled {
        color: #000;
        background-color: #0dcaf0;
        border-color: #0dcaf0;
    }

.btn-sm {
    padding: .25rem .5rem;
    font-size: .75rem;
    border-radius: .2rem;
}

.collapse:not(.show) {
    display: none;
}

.dropdown {
    position: relative;
}

.dropdown-toggle {
    white-space: nowrap;
}

    .dropdown-toggle:after {
        display: inline-block;
        margin-left: .255em;
        vertical-align: .255em;
        content: "";
        border-top: .3em solid;
        border-right: .3em solid transparent;
        border-bottom: 0;
        border-left: .3em solid transparent;
    }

    .dropdown-toggle:empty:after {
        margin-left: 0;
    }
@media (prefers-reduced-motion:reduce) {
    .nav-link {
        transition: none;
    }
}

.card {
    position: relative;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: column;
    flex-direction: column;
    min-width: 0;
    word-wrap: break-word;
    background-color: #fff;
    background-clip: border-box;
    border: 1px solid rgba(0,0,0,.125);
    border-radius: 0;
}

.card-body {
    -ms-flex: 1 1 auto;
    flex: 1 1 auto;
    padding: .2rem;
}

.card-title {
    margin-bottom: .83333rem;
}

.card-text:last-child {
    margin-bottom: 0;
}

@media (max-width:767.98px) {
    .d-inline {
        display: none !important;
    }

    #footer {
        display: none !important;
    }
}

.d-inline {
    display: inline;
}

.d-none {
    display: none !important;
}

.position-absolute {
    position: absolute !important;
}

.w-100 {
    width: 100% !important;
}

.my-1 {
    margin-top: .25rem !important;
    margin-bottom: .25rem !important;
}

.mt-2 {
    margin-top: .5rem !important;
}

.me-1 {
    margin-right: .25rem !important;
}

.me-2 {
    margin-right: .5rem !important;
}

.mb-3 {
    margin-bottom: 1rem !important;
}

.px-0 {
    padding-right: 0 !important;
    padding-left: 0 !important;
}

.px-3 {
    padding-right: 1rem !important;
    padding-left: 1rem !important;
}

.pt-0 {
    padding-top: 0 !important;
}

.pe-2 {
    padding-right: .5rem !important;
}

.pb-3 {
    padding-bottom: .5rem !important;
}

.fw-normal {
    font-weight: 400 !important;
}

.fw-bold {
    font-weight: 700 !important;
}

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

.text-white {
    color: #fff !important;
}

.text-muted {
    font-size: 13px !important;
    color: #495057 !important;
}


@media (min-width:576px) {
    .d-sm-inline {
        display: inline !important;
    }
}

@media (min-width:768px) {
    .d-md-inline-block {
        display: inline-block !important;
    }

    .d-md-none {
        display: none !important;
    }

    .me-md-3 {
        margin-right: 1rem !important;
    }

    .pe-md-0 {
        padding-right: 0 !important;
    }
}

* {
    outline: 0;
    box-sizing: border-box;
}

a:focus, a:hover {
    text-decoration: none;
}

.h5, .h6, h1, h3, h4 {
    line-height: 1.5rem;
    font-weight: 500;
}

:focus, a:focus, button:focus {
    outline: 0;
}

a {
    color: #b01116;
}

.h5, .h6, h1, h3, h4 {
    color: #222;
}

    .h6 > a, h3 > a {
        color: #222;
        -webkit-font-smoothing: antialiased;
    }

p {
    color: #495057;
}

.card-full {
    border-radius: 6px;
    background-color: transparent !important;
    border: 0;
}

@media (min-width:992px) {
    .dropdown-menu {
        left: auto;
    }
}

.dropdown-menu {
    margin-top: 0;
}

@media (max-width:991.98px) {
    .navbar-expand-lg .navbar-nav .dropdown-toggle:after {
        float: right;
        margin-right: 0;
        margin-left: auto;
    }
}

.navbar-dark .navbar-toggler {
    border: none;
}

.image-wrapper {
    overflow: hidden;
    width: 100%;
    position: relative;
    background: linear-gradient(270deg,#f8f9fa 0,#ced4da 15%,#f8f9fa 40%,#f8f9fa);
    background-size: 400% 700% !important;
    background-position: 50% !important;
    animation: f 1.5s infinite linear forwards;
}

.ratio_110-77 {
    height: 0;
}

.ratio_110-77 {
    border-radius: 3px;
    padding-bottom: 69.5%;
}

.featured-1 .height-ratio {
    padding-bottom: 71%;
    height: 0;
}

.block-title-4 {
    position: relative;
    margin-bottom: 1rem;
    padding-bottom: .5rem;
    border-bottom: 2px solid #dee2e6;
}

    .block-title-4 .h5, .block-title-4 h4 {
        color: #b01116;
        display: inline;
        font-weight: 700;
        text-transform: uppercase;
    }

.title-arrow:before {
    width: 2.5rem;
    top: 2rem;
    background: #b01116;
}

.title-arrow:before {
    content: "";
    height: 2px;
    position: absolute;
}

.widget {
    position: relative;
    clear: both;
    margin-bottom: 1.5rem;
}

.btn-social:focus, .btn-social:hover {
    opacity: .9;
}

.btn-facebook {
    background-color: #3b5898 !important;
    color: #fff;
}

.btn-twitter {
    background-color: #55aced !important;
    color: #fff;
}

.btn-envelope {
    background-color: #f2610b !important;
    color: #fff;
}

.btn-linkedin {
    background-color: #3371b7 !important;
    color: #fff;
}

.btn-pinterest {
    background-color: #c9261a !important;
    color: #fff;
}

.bg-shadow {
    background: linear-gradient(180deg,hsla(0,5%,69%,0) 0,rgba(48,48,48,.71) 49%,hsla(0,0%,7%,.8));
}

.h6 > a:hover, a:hover, h3 > a:hover {
    color: #b01116;
}

.overflow {
    position: relative;
    overflow: hidden;
}

    .overflow img {
        position: relative;
        display: block;
    }

.zoom img {
    transition: all .2s linear;
}

.zoom:hover img {
    transform: scale(1.1);
}

.h5 {
    font-size: 1rem;
}

.h6 {
    font-size: .875rem;
}

.display-4 {
    font-weight: 300;
    line-height: 1.2;
}

.display-4 {
    font-size: 1.3rem;
}

@media (min-width:576px) {
    .h4-sm {
        font-size: 1.125rem;
    }

    .h5-sm {
        font-size: 1rem;
    }
}

@media (min-width:768px) {
    .h6-md {
        font-weight: 600;
        font-size: .875rem;
    }
}

@media (min-width:992px) {
    .h5-lg {
        font-size: 1rem;
    }

    .display-2-lg {
        font-weight: 600;
        line-height: 1.2;
    }

    .display-2-lg {
        padding: .5rem 0;
        font-size: 1.5rem;
    }
}

.b-0 {
    bottom: 0;
}

@media (max-width:767.98px) {
    .container {
        max-width: 100%;
    }
}
@media (prefers-reduced-motion:reduce) {
    .navbar-toggler {
        transition: none;
    }
}

.navbar-toggler:hover {
    text-decoration: none;
}

.navbar-toggler:focus {
    text-decoration: none;
    outline: 0;
    box-shadow: 0 0;
}

.navbar-toggler-icon {
    display: inline-block;
    width: 1.5em;
    height: 1.5em;
    vertical-align: middle;
    background-repeat: no-repeat;
    background-position: 50%;
    background-size: 100%;
}

@media (min-width:992px) {
    .navbar-expand-lg {
        -ms-flex-wrap: nowrap;
        flex-wrap: nowrap;
        -ms-flex-pack: start;
        justify-content: flex-start;
    }

        .navbar-expand-lg .navbar-nav {
            -ms-flex-direction: row;
            flex-direction: row;
        }

            .navbar-expand-lg .navbar-nav .dropdown-menu {
                position: absolute;
            }

            .navbar-expand-lg .navbar-nav .nav-link {
                padding-right: .2rem;
                padding-left: .2rem;
            }

        .navbar-expand-lg .navbar-collapse {
            display: -ms-flexbox !important;
            display: flex !important;
            -ms-flex-preferred-size: auto;
            flex-basis: auto;
        }

        .navbar-expand-lg .navbar-toggler {
            display: none;
        }
}

.navbar-expand {
    -ms-flex-wrap: nowrap;
    flex-wrap: nowrap;
    -ms-flex-pack: start;
    justify-content: flex-start;
}

    .navbar-expand .navbar-nav {
        -ms-flex-direction: row;
        flex-direction: row;
    }

        .navbar-expand .navbar-nav .nav-link {
            padding-right: .5rem;
            padding-left: .5rem;
        }

.navbar-dark .navbar-nav .nav-link {
    color: hsla(0,0%,100%,.9);
}

    .navbar-dark .navbar-nav .nav-link:focus, .navbar-dark .navbar-nav .nav-link:hover {
        color: #fff;
    }

.navbar-dark .navbar-toggler {
    color: hsla(0,0%,100%,.9);
    border-color: hsla(0,0%,100%,.1);
}

.navbar-dark .navbar-toggler-icon {
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba(255, 255, 255, 0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

.navbar-dark .navbar-text {
    color: hsla(0,0%,100%,.9);
}

.youtube {
    overflow: hidden;
    position: relative;
    width: 100%;
}

    .youtube::after {
        padding-top: 56.25%;
        display: block;
        content: '';
    }

    .youtube iframe {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }


li, ul {
    list-style-type: none;
}
article, aside, nav {
    display: block;
}

a {
    background: 0 0;
}

    a:active, a:hover {
        outline: 0;
    }

h1 {
    font-size: 2em;
    margin: .67em 0;
}

img {
    border: 0;
}

svg:not(:root) {
    overflow: hidden;
}

button, input {
    color: inherit;
    font: inherit;
    margin: 0;
}

button {
    overflow: visible;
}

button {
    text-transform: none;
}

button {
    -webkit-appearance: button;
    cursor: pointer;
}

    button::-moz-focus-inner, input::-moz-focus-inner {
        border: 0;
        padding: 0;
    }

input {
    line-height: normal;
}

    input[type=search] {
        -webkit-appearance: textfield;
        -moz-box-sizing: content-box;
        -webkit-box-sizing: content-box;
        box-sizing: content-box;
    }

@media print {
    body, html {
        background-color: #fff;
        color: #000;
        margin: 0;
        padding: 0;
    }

    img {
        max-width: 100%;
        display: block;
    }

    h1, h3, h4 {
        page-break-after: avoid;
    }

    li, ul {
        page-break-inside: avoid;
    }
}

* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

:after, :before {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

img {
    max-width: 100%;
    height: auto;
}

.widget a:hover {
    color: #4db2ec;
}

.widget {
    padding: 0 19px 0 10px;
    margin-bottom: 13px;
}

@media (min-width:768px) and (max-width:1023px) {
    .widget {
        padding: 0 17px 0 17px;
    }
}

@media (max-width:767px) {
    .widget {
        padding: 0 10px 0 10px;
    }
}

.widget a {
    color: #222;
}

p {
    margin-top: 0;
}

p {
    margin-bottom: 21px;
}

a:active, a:focus {
    outline: 0;
}

a {
    color: #4db2ec;
    text-decoration: none !important;
}

    a:hover {
        text-decoration: underline;
    }

ul {
    padding: 0;
    list-style-position: inside;
}

    ul li {
        line-height: 24px;
    }

h1, h3, h4 {
    color: #222;
    font-weight: 400;
    margin: 6px 0 6px 0;
}

input:focus, input[type]:focus {
    outline: 0 none;
}

button::-moz-focus-inner {
    padding: 0;
    border: 0;
}
/*! CSS Used keyframes */
@keyframes f {
    0% {
        background-position: 100% 0;
    }

    to {
        background-position: 20% 0;
    }
}