* {
    margin: 0;
    padding: 0;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

:root {
    --strong-color: #F15A29;
    --strong-blue-color: #00A79D;
    --error-background-color: #ed99a1;
    --danger-color: #CC0101;
    --color: #444444;
    --background-color: #fbfbfb;
    --muted-color: #818181;
    --border-color: #9D9D9D;
    --border-strong-color: #F15A29;
    --bg-grey-color: #FBFBFB;
    --btn-primary-color: #F15A29;
    --btn-primary-hover-color: #00A79D;
    --box-shadow-color: rgba(80, 210, 250, .25);
    --my-btn-disabled-bg: #b4b4b4 !important;
    --my-btn-disabled-border-color: #797979 !important;
}

.strong-color {
    color: var(--strong-color);
}

.text-strong {
    font-weight: 700;
}

.container {
    width: 100%;
    max-width: 1170px;
    padding: 0 15px;
    margin: 0 auto;
}

html {
    font-size: 62.5%;
    /* Mac dinh ve gia tri 10px */
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--color);
    background-color: var(--background-color);
    font-size: 1.6rem;
    -webkit-transition: all .25s ease-in-out;
    -moz-transition: all .25s ease-in-out;
    -ms-transition: all .25s ease-in-out;
    -o-transition: all .25s ease-in-out;
    transition: all .25s ease-in-out;
}

html,
body {
    min-height: 100vh;
}

body.scrolled {
    padding-top: 50px;
}

.main-body {
    padding: 0 2rem;
    margin: 0;
}

ul {
    margin-bottom: 0;
    margin-left: 0;
}

a {
    text-decoration: none !important;
    color: var(--strong-color);
}

.hidden-mobile {
    display: none;
}

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

.mr-1 {
    margin-right: 1rem;
}

.mr-2 {
    margin-right: 2rem;
}

.mr-3 {
    margin-right: 3rem;
}

.mb-2 {
    margin-bottom: 2rem !important;
}

.ml-3 {
    margin-left: 3;
}

.table>:not(caption)>*>* {
    padding: 1.5rem 0.5rem;
}

.text-primary {
    color: var(--strong-color) !important;
}

.font-weight-light {
    font-weight: 300 !important;
}

.dropdown-menu {
    font-size: 1.6rem;
}

.form-group {
    margin-bottom: 2rem;
}

.form-control {
    font-size: 1.6rem;
    border-radius: 25px;
    border: 1px solid var(--border-color);
    padding: 11px 20px;
    background-color: var(--bg-grey-color) !important;
    -webkit-border-radius: 25px;
    -moz-border-radius: 25px;
    -ms-border-radius: 25px;
    -o-border-radius: 25px;
}

.form-control:focus {
    color: #212529;
    outline: 0;
    box-shadow: none;
    border: 1px solid var(--border-strong-color);
}

.form-control.success {
    background-color: #bae7c6;
}

.input-group-text {
    background-color: transparent;
    border-color: var(--border-color);
}

.form-group {
    position: relative;
}

.form-group>label {
    position: absolute;
    font-size: 1.2rem;
    color: var(--border-color);
    left: 2.5rem;
    top: -1.5rem;
    padding: .5rem;
    background-color: var(--background-color);
    border-radius: 1rem;
    z-index: 99;
    -webkit-border-radius: 1rem;
    -moz-border-radius: 1rem;
    -ms-border-radius: 1rem;
    -o-border-radius: 1rem;
}

.customize-link.error .form-control,
.customize-link.error.input-group .input-group-text {
    background-color: #fccfcf !important;
}

.customize-link.success .form-control,
.customize-link.success.input-group .input-group-text {
    background-color: #bae7c6 !important;
}

.btn-primary {
    background-color: var(--btn-primary-color);
    border: none;
}

.btn-primary:hover {
    background-color: var(--btn-primary-hover-color);
}

.btn-group-lg>.btn,
.btn-lg {
    --bs-btn-padding-y: 1rem;
    --bs-btn-padding-x: 3rem;
    --bs-btn-font-size: 1.8rem;
    --bs-btn-border-radius: 2.5rem;
}

.btn.disabled,
.btn:disabled,
fieldset:disabled .btn {
    color: var(--bs-btn-disabled-color);
    pointer-events: none;
    background-color: var(--my-btn-disabled-bg);
    border-color: var(--my-btn-disabled-border-color);
    opacity: var(--my-btn-disabled-opacity);
}

.btn-block {
    width: 100%;
}

.input-group-text {
    padding: 1.1rem 2rem;
    font-size: 1.6rem;
    font-weight: 400;
    border-radius: 2.5rem;
}

.input-group-prepend .input-group-text {
    border-color: var(--border-color);
    padding: 1.1rem 0 1.1rem 2rem;
    border-radius: 2.4rem 0 0 2.5rem;
    -webkit-border-radius: 2.4rem 0 0 2.5rem;
    -moz-border-radius: 2.4rem 0 0 2.5rem;
    -ms-border-radius: 2.4rem 0 0 2.5rem;
    -o-border-radius: 2.4rem 0 0 2.5rem;
}

.text-muted {
    color: var(--muted-color) !important;
}

.input-group.focus .input-group-prepend .input-group-text {
    border-color: var(--border-strong-color) !important;
}

.customize-link.input-group .input-group-text {
    background-color: transparent !important;
    border-right: 0;
    transition: all ease-in-out .15s;
    -webkit-transition: all ease-in-out .15s;
    -moz-transition: all ease-in-out .15s;
    -ms-transition: all ease-in-out .15s;
    -o-transition: all ease-in-out .15s;
}

.customize-link.input-group .input-group-text.btn-primary:disabled {
    background-color: var(--my-btn-disabled-bg) !important;
    color: var(--my-btn-disabled-color) !important;
}

.customize-link.input-group .input-group-text.btn-primary {
    background-color: var(--btn-primary-color) !important;
    color: #fff !important;
}

.customize-link.input-group .form-control {
    border-left: 0;
    padding-left: 0;
}

.customize-link .input-group-append .input-group-text {
    border: 1px solid var(--border-color);
    border-left: 0;
    border-radius: 0 2.5rem 2.5rem 0;
    -webkit-border-radius: 0 2.5rem 2.5rem 0;
    -moz-border-radius: 0 2.5rem 2.5rem 0;
    -ms-border-radius: 0 2.5rem 2.5rem 0;
    -o-border-radius: 0 2.5rem 2.5rem 0;
}

.customize-link.shortened-link .form-control {
    border-left: 1px solid var(--border-color);
    padding-left: 20px;
}

.customize-link.shortened-link.focus .form-control {
    border: 1px solid var(--border-strong-color);
}

.header {
    background-color: #f1f1f1f1;
    margin-bottom: 3rem;
}

.logo {
    outline: 0;
    width: 200px;
    display: inline-block;
}

.logo img {
    width: 100%;
    display: block;
}

.section {
    padding: 10rem;
    margin: 0;
    --bs-gutter-x: 0;
    background-color: #f5f5f5;
}

.section-features {
    --bs-gutter-x: 0;
    padding: 0;
}

.section-features-item:nth-child(1),
.section-features-item:nth-child(2),
.section-features-item:nth-child(3) {
    border-bottom: 0;
}

.section-features-item {
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-right: 0;
}

.section-features-item:nth-child(3n) {
    border-right: 1px solid var(--border-color);
}

.section-title {
    font-size: 2.4rem;
    font-weight: bold;
    margin-bottom: 2rem;
}

.section-features-title {
    font-size: 2rem;
    font-weight: bold;
    margin: 2rem 0;
}

.signin-section {
    background-image: url(../images/section-singin-bg.jpg);
    box-shadow: inset 0 0 0 2000px rgba(255, 255, 255, 0.8);
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
}

.signin-section p:last-child {
    margin-bottom: 0;
}

.history-section {
    display: none;
    margin-bottom: 3rem;
}

.history-section.show {
    display: block;
}

.history-section .title {
    margin-bottom: 2rem;
    font-size: 1.6rem;
}

.history-section .history-links {
    max-height: 222px;
    overflow: hidden;
    transition: all ease-in-out .25s;
    -webkit-transition: all ease-in-out .25s;
    -moz-transition: all ease-in-out .25s;
    -ms-transition: all ease-in-out .25s;
    -o-transition: all ease-in-out .25s;
}

.history-section .history-links.full {
    max-height: 1000000000px;
}

.history-section .history-links .link {
    border-radius: 1rem;
    -webkit-border-radius: 1rem;
    -moz-border-radius: 1rem;
    -ms-border-radius: 1rem;
    -o-border-radius: 1rem;
    border: 1px dashed var(--border-color);
    margin-bottom: 2rem;
}

.history-section .history-links .link .item {
    border-bottom: 1px dashed var(--border-color);
    padding: 1rem;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.history-section .history-links .link .item:last-child {
    border: 0
}

.history-section .history-links .link .item.long-link a {
    color: var(--color);
}

.history-section .history-links .link .item .history-copy-short-link {
    position: absolute;
    bottom: 0;
    right: 0;
    font-size: 1.2rem;
    padding: 1rem;
    cursor: pointer;
}

.history-section .history-links .link .item .history-copy-short-link:hover {
    color: var(--strong-color);
}

.history-section .show-more-history,
.history-section .show-less-history {
    cursor: pointer;
    width: 200px;
    margin: 0 auto;
    display: none;
}

.history-section .show-more-history.show,
.history-section .show-less-history.show {
    display: block;
}

.history-section .show-more-history:hover,
.history-section .show-less-history:hover {
    color: var(--strong-color);
}

.loading-section {
    height: 18px;
    margin-bottom: 2rem;
}

.loading-section img {
    display: none;
}

.loading-section.show img {
    display: block;
}

#customize-link-copy,
#shortened-link-copy {
    cursor: pointer;
}

.customize-link.success.input-group #customize-link-copy:hover,
.customize-link.success.input-group #shortened-link-copy:hover {
    background-color: var(--btn-primary-color) !important;
    color: #fff !important;
}

.customize-link.success.input-group .input-group-text.bg-primary {
    background-color: var(--border-strong-color) !important;
}

.customize-link.success.input-group .input-group-text.bg-primary,
.customize-link.success.input-group .input-group-text#customize-link-copy.bg-primary {
    background-color: var(--border-strong-color) !important;
    color: #fff !important;
}

.modal-content {
    padding: 30px;
    background-color: var(--bg-grey-color) !important;
}

.login-modal .btn-close {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 99;
}

.login-modal .form-group {
    margin-bottom: 20px;
}

.login-modal .title {
    font-size: 24px;
    margin-bottom: 20px;
}

.login-modal .form-check {
    margin-left: 10px;
    margin-top: 10px;
}

.forgot-password {
    text-align: center;
    display: block;
    margin: 1.5rem;
    margin-bottom: 0;
    font-size: 1.2rem;
}

.login-modal .title {
    font-size: 2rem;
    margin-bottom: 1rem;
    text-align: center;
}

.login-modal .left {
    padding-right: 20px;
    border-right: 1px solid #E8E8E8;
}

.login-modal .right {
    padding-left: 20px;
}

.login-modal .btn-close {
    position: absolute;
    top: 10px;
    right: 10px;
}

.user-section {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: auto;
    padding: 1.5rem;
    background-color: rgba(0, 105, 100, .8);
    z-index: 99;
}

.user-section a {
    color: #fff;
}

.user-section a:hover {
    color: #b9b9b9;
}

.history-section .title .clear-history {
    font-size: 1.2rem;
}

.infomation-form .title {
    text-align: center;
    font-size: 2.8rem;
    color: var(--border-strong-color);
}

.infomation-form .title-description {
    text-align: center;
    margin-bottom: 2rem;
}

.shortened-link-section .link {
    padding: 0;
    margin-bottom: 2rem;
}

.shortened-link-section .link .form-control {
    border: none;
    background-color: transparent !important;
    padding: 11px 0;
}

.shortened-link-section .link .card-header {
    margin: 0 !important;
}

.shortened-link-section .link .card-header .form-control {
    font-weight: bold;
}

.shortened-link-section .link a {
    color: var(--color);
}

.shortened-link-section .link .list-group-item {
    padding: 1rem;
    display: flex;
    justify-content: space-between;
}

.more-info {
    font-size: 1.2rem;
}

.shortened-link-section .list-group .input-group {
    margin-bottom: 0 !important;
}

.shortened-link-section .list-group .input-group-prepend .input-group-text {
    border: none !important;
    padding-right: .5rem;
    padding-left: 0;
    padding-top: 0;
    padding-bottom: 0;
    font-weight: bold;
}

.shortened-link-section .list-group .form-control {
    padding: 0 !important;
}

.qrcode-link {
    width: 25px;
    margin-right: 1rem;
}

.modal-body .qr-image {
    width: 100%;
}

.page-link {
    padding: 1rem 1.5rem;
    color: #444;
}

.active>.page-link,
.page-link.active {
    background-color: var(--border-strong-color) !important;
    border-color: var(--border-strong-color) !important;
}

.progress {
    display: block;
    text-align: center;
    width: 0;
    height: 3px;
    background: red;
    transition: width .3s;
}

.progress.hide {
    opacity: 0;
    transition: opacity 1.3s;
}

.btn-signin {
    margin-top: 3rem;
    background-color: var(--btn-primary-color);
    border: 1px solid var(--btn-primary-color);
    color: #fff
}

.btn-signin:hover {
    background-color: var(--btn-primary-hover-color);
    border: 1px solid var(--btn-primary-hover-color);
}

.vertical-center {
    margin: 0;
    position: absolute;
    top: 50%;
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
}

.product-item {
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    -webkit-border-radius: 1rem;
    -moz-border-radius: 1rem;
    -ms-border-radius: 1rem;
    -o-border-radius: 1rem;
    padding: 1rem;
    margin-bottom: 2rem;
}

footer {
    text-align: center;
    padding: 20px 0;
}

.foot-title {
    color: var(--strong-blue-color);
    font-weight: bold;
}

footer ul {
    display: inline-block;
    list-style: none;
    margin: 10px 0 0 0;
}

footer ul li {
    display: inline;
    padding: 0 12px;
    border-right: 1px solid #a1a1a1;
    height: 18px;
}

footer ul li:last-child {
    border: none;
}

footer ul li a {
    color: #636363;
}

footer ul li a:hover {
    color: var(--strong-blue-color);
}

.half-post-entry {
    margin-bottom: 3rem;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
    transform: all .25s ease-in-out;
    -webkit-transform: all .25s ease-in-out;
    -moz-transform: all .25s ease-in-out;
    -ms-transform: all .25s ease-in-out;
    -o-transform: all .25s ease-in-out;
}

.half-post-entry:hover {
    box-shadow: 0 0 20px rgba(0, 0, 0, .1);
}

.half-post-entry .contents h2:hover a {
    color: var(--strong-color);
}

.half-post-entry .img-bg {
    width: 20%;
}

.half-post-entry .contents {
    width: 70%;
}

.half-post-entry:first-child .img-bg {
    width: 50%;
}

.half-post-entry:first-child .contents {
    width: 50%;
}

.half-post-entry .img-bg {
    border-radius: 5px 0 0 5px;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    -webkit-border-radius: 5px 0 0 5px;
    -moz-border-radius: 5px 0 0 5px;
    -ms-border-radius: 5px 0 0 5px;
    -o-border-radius: 5px 0 0 5px;
}

.half-post-entry .contents {
    padding: 2rem;
    font-size: 1.4rem;
    height: auto;
}

.half-post-entry:first-child .contents {
    padding: 5rem;
}

.half-post-entry .caption {
    font-size: 1.2rem;
    text-transform: uppercase;
}

.half-post-entry .contents h2 {
    font-size: 2.6rem;
}

.half-post-entry .contents h2 a {
    color: #000;
}

.post-meta {
    font-size: 1em;
}

.post-meta a {
    color: #000;
}

.bg-light {
    background-color: #f8f8f8 !important;
}

.articles-list {
    padding: 3rem;
}

.pagination .page-item .page-link {
    font-size: 1.6rem;
}

.article-info {
    padding: 3rem 0;
    line-height: 1.5;
}

.article-info img {
    max-width: 100%;
}

.head-article {
    text-align: center;
    color: #fff;
    box-shadow: inset 0 0 0 2000px rgba(0, 0, 0, 0.5);
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    padding: 5rem 2rem;
}

.head-article .meta {
    font-size: 1.4rem;
    margin: 1rem 0;
    color: #e9e9e9;
}

.header .top .user-menu {
    padding: 1.2rem 2rem;
    margin-top: 3rem;
}

.header .top .user-menu a {
    display: inline-block;
    color: var(--color);
}

.flag {
    padding: 2.5rem 1rem;
}

.flag a {
    display: inline-block;
    margin-right: 1rem;
    padding: 0;
}

.flag a img {
    display: block;
    width: 32px;
}

.btn-signi-head {
    padding: .4rem .5rem !important;
    font-weight: bold;
}

.btn-signi-head:focus,
.btn-signi-head:hover {
    color: #fff !important;
    background-color: var(--strong-color);
    border-color: var(--strong-color);
}