body {
    font-family: Arial, sans-serif;
}
.header {
    background-color: white;
    padding: 10px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #ddd;
    box-shadow: inherit;
}
body {
    background-color: white;
}
.header .logo {
    margin-right: 20px;
}
.header .menu a {
    margin-right: 20px;
    color: #9B9B9B;
    text-decoration: none;
}
.main-banner {
    background-color: var(--main-bg-color);
    color: white;
    text-align: center;
    /*padding: 20px 0;*/
}
.main-banner img {
    max-width: 100%;
/*    height: auto;*/
/*    width:100%;*/
/*    max-height:450px;*/
}
.sub-header {
    background-color: var(--sub-bg-color);
    text-align: center;
    margin-bottom: 20px;
    color: white;
    font-weight: bold;
}
.timer {
    display: flex;
    justify-content: space-between;
    color: black;
    margin-bottom: 40px;
    align-items: end;
}
.time-box {
    text-align: center;
    flex: 1;
}
.time-box h3 {
    margin: 0;
    font-size: 48px;
    font-weight: bold;
    color: #344885;
}
.wraper-time-box {
    background-color: #F0F3F9;
    border-radius: 8px;
    padding: 6px 0px;
}
.sub-header p {
    color: var(--sub-text-color);
    margin: 0px;
    padding: 1px 0px;
}
.timer .btn-center {
    text-align: center;
    width: 100%;
    margin-top: 20px;
    margin-bottom: 20px;
}
.icons {
    text-align: center;
/*    margin-bottom: 20px;*/
/*    align-items: center;*/
}
.icons img {
/*    max-width: 32px;*/
    height:32px;
    margin: 0 10px;
}
.content-section {
    margin-top: 20px;
}

footer {
    background-color: var(--main-bg-color);
    color: var(--main-text-color);
    padding: 20px 0;
    margin-top: 20px;
}
.footer-columns {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    text-align: left;
}
.footer-column {
    flex: 1;
    padding: 10px;
    min-width: 200px;
}
.footer-column ul {
    list-style: none;
    padding: 0;
}
.footer-column li {
    margin-bottom: 10px;
}
.qr-code {
    margin-top: 0px;
/*    border-radius: 8.42857px;*/
/*    border: 2.10714px solid #8BA6F6;*/
    text-align: center;
    margin-top: 20px;
}
.qr-code img{
    border-radius: 8.42857px;
    box-shadow: 1.6px 1.6px 7px 0px rgba(35, 146, 249, 0.7);
    border: 2.10714px solid #8BA6F6;
    padding:4px;
}
.section-copy-link i {
    color: #0096ff;
}

.section-copy-link .input-group-text span {
    margin-left: 6px;
    color: black;
    font-weight: 400;
    border: 0px;
}
.section-copy-link input {
    border: 0.702128px solid #E2E2E2;
    border-left: 0px;
}
.section-copy-link .input-group-append button {
    background: #F1F1F1;
}
.section-copy-link label {
    font-weight: 500;
    font-size: 16px;
    margin-bottom: 2px;
}

.section-copy-link {
    margin:0 auto;
    width:320px;
    margin-top: 12px;
}
.section-copy-link .input-group-prepend .input-group-text {
    background: none;
    border: 0.702128px solid #E2E2E2;
    border-right: 0px;
}
.section-copy-link .form-control:disabled {
    background: initial;
}
.time-box.dot-time {
    flex: 0.5;
}
.time-box p {
    color: #344885;
    font-size: 14px;
    text-transform: uppercase;
    font-weight: 400;
    margin-bottom: 0px;
}
h3.title-countdown {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
}
.btn-join {
    display: inline-flex;     
    align-items: center;      
    justify-content: center;  
    height: 50px;             
    background: var(--main-bg-color);
    color: var(--main-text-color);
    text-transform: uppercase;
    font-size: 24px;
    padding: 0 22px;
    border-radius: 66px;
    font-weight: 700;
}
.btn-close-modal{
    position: absolute;
    right: 5%;
    top: 5%;
    z-index: 1;
}
.btn-join.disabled{
    background-color: rgba(148, 148, 148, 1);
    color: rgba(255, 255, 255, 1);
}
.btn-join:hover {
    color: white;
}
.--btn-form-join{
    font-size:20px;
    padding:10px 6px;
}
.icons a {
    flex: 1;
}
.separator {
    width: 1px;
    height: 30px;
    background-color: #E3E5E8;
}
.icons p {
    margin: 0px;
}
.card-header .title {
    font-size: 17px;
    color: #000;
}
.card-header .accicon {
    float: right;
    font-size: 20px;
    width: 1.2em;
}
.card-header{
    cursor: pointer;
}
.card{
    border: 1px solid #ddd;
}
.card-body{
    border-top: 1px solid #ddd;
}
.card-header .rotate-icon {
    transform: rotate(180deg);
}
.card-header:not(.collapsed) .rotate-icon {
    transform: rotate(0deg);
}
.title-section-accordion {
    font-size: 20px;
    font-weight: 600;
    color: #060F2C;
    margin: 16px 0px;
}
.accordion .card .card-header {
    background: #ffff;
    color: #03264D;
}

.accordion .card .card-header span {
    color: #03264D;
}

.content-section .accordion .card {
    margin-bottom: 14px;
    border: 1px solid #EBEBEB;
    border-bottom: 1px solid #EBEBEB!important;
}
.collapse {
    background: #FFF9EA;
    font-size: 16px;
    color: #6A6A6A;
}
.table.table-noti ul {
    margin: 0px;
    list-style-type: circle;
}

table.table.table-noti tr {
    border: 1px solid #EBEBEB;
    color: #03264D;
}
.table.table-noti ul li {
    list-style-type: disc;
}
.header .menu .active, .header .menu a:hover {
    font-weight: bold;
    color: black;
}
.modal-content {
    border-radius: 30px;
    box-shadow: 0px 4px 4px 6px #00000040;
}
.modal-header{
    border-bottom: none;
/*    margin-top: 12px;*/
}
.modal-body {
    padding: 20px 20px;
    padding-bottom:40px;
}
.input-group {
    border: 1px solid #494949;
    border-radius: 6px;
}
.input-group {
/*    border: 1px solid #494949;*/
    border: 1px solid var(--main-bg-color);
    border-radius: 6px;
}

#formRegister .form-control, #formRegister .input-group-text {
    border: 0px;
    background: #ffff;
}
form#formRegister button {
    background: var(--main-bg-color);
    color: var(--main-text-color);
    padding:10px;
}
.btn.btn-backhome {
    background: #F0F3F9;
    color: #344885;
    text-transform: uppercase;
    font-weight: bold;
}
.box-success-noti h3 {
    font-size: 18px;
    color: #091E42;
    line-height: 25px;
}
.item-result {
    font-size: 14px;
    color: #172B4D;
    border-bottom: 1px solid #ECEDEF;
    padding: 14px 0px;
}
.text-du-doan {
    font-size: 24px;
    color: #344885;
}
.text-skip {
    color: #6C757C;
}

.text-time-complete {
    color: #344885;
    font-size: 18px;
}
nav.Navigation {
    height: inherit;
    padding: 6px 0px;
}
.Navigation .list-item-group.horizon {
    justify-content: left;
}
.Navigation-item-logo {
    margin-right: 15px;
}
div#modalRegisterForm .modal-dialog {
    max-width: 550px;
}
div.modalJoinContest .modal-dialog {
    max-width: 550px;
}
.form-control:focus {
    box-shadow: initial;
}
.form-control{
    color:#495057
}
.toast-title{
    font-size : var(--font-size-20);
}
.toast-message{
    font-size: var(--font-size-16);
}
#toast-container>div{
    opacity: 1;
}
.btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}
.nav-tabs .nav-link{cursor: pointer;}
.nav-tabs .nav-link.active{
    border-color: var(--main-bg-color);
    border-bottom-color: #fff;
    font-weight: bold;
}
/*Responsive*/

@media only screen and (max-width: 913px) {
    .time-box h3 {
        font-size: 30px;
    }
}
@media(min-width: 767px){
    .qr-code img{
        width:200px;
        height:200px;
    }
}
@media(max-width: 480px){
    .qr-code img, 
    .section-copy-link{
        max-width:75%;
    }
/*    .main-banner img{ height:160px; }*/
}

.spinner {
    position: relative;
    left:50%;
    top:40%;
    width: 56px;
    height: 56px;
    display: grid;
    border-radius: 50%;
    -webkit-mask: radial-gradient(farthest-side,#0000 40%,#ffffff 41%);
    background: linear-gradient(0deg ,rgba(255,255,255,0.5) 50%,rgba(255,255,255,1) 0) center/4.5px 100%,
        linear-gradient(90deg,rgba(255,255,255,0.25) 50%,rgba(255,255,255,0.75) 0) center/100% 4.5px;
    background-repeat: no-repeat;
    animation: spinner-d3o0rx 1s infinite steps(12);
}

.spinner::before,
.spinner::after {
   content: "";
   grid-area: 1/1;
   border-radius: 50%;
   background: inherit;
   opacity: 0.915;
   transform: rotate(30deg);
}

.spinner::after {
   opacity: 0.83;
   transform: rotate(60deg);
}

@keyframes spinner-d3o0rx {
   100% {
      transform: rotate(1turn);
   }
}

.rule_items_see_more{
    background-color: var(--main-bg-color);
    color: var(--main-text-color);
}
.rule_items_see_more:hover{
    background: #fff;
    border:1px solid var(--main-bg-color);
}
#popupExamAnswers .modal-body{
    max-height:100vh;
    overflow-y:hidden;
}
#popupExamAnswers .answer-container{
    max-height:70vh;
    overflow-y:auto;
}
@media (min-width: 992px) {
    #popupExamAnswers .modal-lg {
        max-width: 1000px;
    }
}
/*#popupExamAnswers .answer-container{
    padding-left: 16px;
}*/
#popupExamAnswers .option-exam{
    padding-left:0;
}
#popupExamAnswers .btn-close-modal{
    top: 20px;
    font-size:32px;
}

ol.answer-container li.question-box {
    list-style-type: decimal !important;
    font-size: larger;
    font-weight: bold;
    text-align: justify;
}
ol.answer-container li.question-box .question {
    font-weight: bold;
}
ol.answer-container li.question-box p {
    font-size: large;
}
ul.option-exam li.true-answer.selected {
    color: #30b55c;
}
ul.option-exam li.true-answer {
    color: #264d9d;
}
ul.option-exam li.selected {
    color: #e22323;
}
ul.option-exam li {
    list-style-type: none;
    font-weight: normal;
    position: relative;
    padding-left: 15px;
    text-align: justify;
    margin: 10px 0 10px 20px;
}
ul.option-exam li.true-answer.selected::after {
    background: url(check.svg);
    background-size: contain;
}
ul.option-exam li.true-answer::after {
    background: url(blue_check.svg);
    background-size: contain;
}

ul.option-exam li.selected::after {
    background: url(err.svg);
    background-size: contain;
}
ul.option-exam li::after {
    content: "";
    position: absolute;
    border-radius: 50px;
    width: 15px;
    height: 15px;
    left: -20px;
    top: calc(50% - 8px);
    background: #000;
}
ul.option-exam li.true-answer.selected {
    color: #30b55c;
}
/*#frmFilterChart select#filterWeek {
    width: 60%;
    margin: 0 auto;
}   */
@media(min-width:992px){
    #popupExamAnswers .answer-container{
        padding: 16px 32px;
    }
    /*#frmFilterChart select#filterWeek {
        width: 30%;
    } */ 
}
footer .footer-right-columns{
    display:flex;
}
@media (max-width: 480px) {
    footer .footer-right-columns {
        flex-wrap:wrap;
    }
    #popupExamAnswers .answer-container{
        padding-right:16px;
    }
}
footer .footer-column:first-child * {
    margin-bottom:0;
}
.btn.btn-retest {
    background: var(--main-bg-color);
    color: var(--main-text-color);
    text-transform: uppercase;
    font-weight: bold;
}