#mn-tab {
    text-align: center;
    width: 100%;
    padding: 0px 0;
    margin-top: 4px;
    background-color: #7643f4;
    height: 100px;
    border-radius: 20px;
    box-shadow: 0px 4px #4d0fe6;
}

    #mn-tab a {
        padding: 12px 0px;
        display: inline-block;
        font-size: 12px;
        color: white;
        margin-right: 0px;
        cursor: pointer;
        border-bottom: 0;
        width: 245px;
        text-decoration: none;
        font-family: Arial;
        text-transform: uppercase;
        height: 100px;
        line-height: 75px;
        font-weight: bold;
        font-family: Montserrat;
        font-size: 23px;
    }

        #mn-tab a.mn-tab-0 {
            background: url(/Styles/img2021/baihoc.png) left center no-repeat;
            padding-left: 48px;
        }

        #mn-tab a.mn-tab-1 {
            background: url(/Styles/img2021/baitap.png) left center no-repeat;
        }

        #mn-tab a.mn-tab-2 {
            background: url(/Styles/img2021/game.png) left center no-repeat;
        }

        #mn-tab a.mn-tab-3 {
            background: url(/Styles/img2021/baihoc.png) left center no-repeat;
        }

        #mn-tab a.mn-tab-0.selected {
            background: url(/Styles/img2021/baihoc.png) left center no-repeat #ea770a;
            padding-left: 48px;
        }

        #mn-tab a.mn-tab-1.selected {
            background: url(/Styles/img2021/baitap.png) left center no-repeat #ea770a;
        }

        #mn-tab a.mn-tab-2.selected {
            background: url(/Styles/img2021/game.png) left center no-repeat #ea770a;
        }

        #mn-tab a.mn-tab-3.selected {
            background: url(/Styles/img2021/baihoc.png) left center no-repeat #ea770a;
        }

.box-LessonContent {
    float: left;
    width: 100%;
}

#box_Diem_tienganhmoi {
    position: fixed;
    font-size: 12px;
    font-weight: bold;
    line-height: 18px;
    width: 93px;
    text-align: center;
    color: rgb(0, 127, 200);
    z-index: 99009;
    top: 55%;
    left: 0px;
    height: 108px;
    padding: 10px 2px;
    border-radius: 5px;
    background: url(https://image.alokiddy.com.vn/Styles/imgvs2018/bg_diemmoi.png?ver=1.3) left top no-repeat;
}

    #box_Diem_tienganhmoi span {
        color: rgb(255, 231, 119);
        font-size: 28px;
        font-weight: bold;
        line-height: 131px;
        font-family: arial;
        text-shadow: black -1px 0px, black 0px 1px, black 3px 0px, black 0px -1px;
        text-align: center;
        width: 89px;
        float: left;
    }

.btn_check_answer {
    background-color: #8dd54f;
    color: #fff;
    border-radius: 10px;
    border-bottom: 4px solid #6ebe29;
    padding: 5px 70px 5px 70px;
}
.btn-next {
    padding: 5px 70px 5px 70px;
    background-color: #29abe1;
    color: #fff;
    border-radius: 10px;
    border-bottom: 4px solid #1994c7;
}
.end_lession {
    position: absolute;
    z-index: 9999;
    background-color: #cccccca6;
    top: 44%;
    border-radius: 10px;
    height: 240px;
    width: 100%;
    display: none;
    text-align: center;
    margin-left: 20px;
}

.sub_lesson {
    position: absolute;
    z-index: 9999;
    background-color: #241c1ce3;
    top: 0%;
    border-radius: 10px;
    min-height: 507px;
    width: 100%;
}

.sub_lesson {
    display: none;
}

    .sub_lesson.reading {
        display: block;
    }

.video_tuongtac .question_answer .sight_answer {
    background: #ffae1f;
    border: solid 2px #ffae1f;
    color: white;
    font-family: arial;
    font-size: 25px;
    border-radius: 10px;
    text-align: center;
    margin-right: 20px;
    width: auto;
    padding: 10px 25px 10px 15px;
    min-width: 163px;
    float: left;
    margin: 5px;
}

    .video_tuongtac .question_answer .sight_answer .answer_title {
        font-size: 30px
    }

    .video_tuongtac .question_answer .sight_answer:hover {
        background: #7ddf12;
        border: solid 2px #0bcd2f !important
    }

    .video_tuongtac .question_answer .sight_answer.selected {
        background: #7ddf12;
        border: solid 2px #0bcd2f !important
    }

    .video_tuongtac .question_answer .sight_answer.true {
        background: url(https://image.alokiddy.com.vn/Styles/img/sight_math_true.png) no-repeat -1px center #2782d7;
        border-color: #135ea5;
        padding-left: 4px;
    }

    .video_tuongtac .question_answer .sight_answer.false {
        background: url(https://image.alokiddy.com.vn/Styles/img/sight_math_false.png) no-repeat -1px center #e33d1c;
        border-color: #ac2409;
        padding-left: 4px;
    }

.video_tuongtac .question_answer {
    padding-bottom: 5px;
    text-align: center;
}
.question_answer
{
    width:100%;
    text-align:center;
    margin:auto;
}
    .question_answer .sight_answer {
        color: #fff;
        cursor: pointer;
        position: relative;
        display: inline-block;
        background: #ffae1f;
        border-radius: 5px;
        padding: 7px 24px;
        margin: 9px 58px 0 0;
        line-height: 26px;
        font-size: 20px;
        -moz-user-select: none;
        -khtml-user-select: none;
        -webkit-user-select: none;
        -ms-user-select: none;
        user-select: none;
        text-align: justify;
        border: solid 1px #ffae1f;
        font-family: Montserrat;
        font-weight: 600;
        text-align: center;
        padding: 20px 30px 20px 30px;
    }

        .question_answer .sight_answer:hover,
        .question_answer .sight_answer.selected {
            background: #f97319;
            border-color: #cd8912;
            color: white;
        }
.question_answer .sight_answer:last-child {
        /*margin-right: 0px;*/
    }

 .question_answer .sight_answer .answer_title {
        font-weight: bold;
    }

.question_answer .sight_answer .answer_status {
        top: 3px;
        width: 28px;
        height: 20px;
        position: absolute;
        right: -30px
    }
        .question_answer .sight_answer.true {
            background: url(/Styles/img2021/true.png) no-repeat 0px center #001fffa8;
            border-color: #29a27c;
            color: white;
        }

        .question_answer .sight_answer.false {
            background: url(/Styles/img2021/false.png) no-repeat 0px center #f97319;
            border-color: #b03615;
            color: white;

        }
.title_ctype4 {
    float: left;
    width: 100%;
    text-align: center;
}

.box_ctype4 {
    float: left;
    width: 100%;
    text-align: center;
}

.box_ctype4_text {
    float: left;
    width: 100%;
    text-align: center;
    margin-top: 10px;
}

.txtInputCtype4.true {
    background: url(/Styles/img2021/true.png) no-repeat 0px center #001fffa8;
    border-color: #29a27c;
    color: #fff;
    font-size: 24px;
    font-weight: bold;
}
.txtInputCtype4.false {
    background: url(/Styles/img2021/false.png) no-repeat 0px center #ef5643;
    border-color: #b03615;
    color: #fff;
    font-size: 24px;
    font-weight: bold;
}
.btn_next_moi {
    padding: 5px 30px 5px 37px;
    background-color: #29abe1;
    color: #fff;
    border-radius: 10px;
    border-bottom: 4px solid #1994c7;
}
.item_cauhoi {
    font-weight: bold;
    color: #fff !important;
    font-size: 14px;
    font-family: arial;
    background-color: #21d084;
    padding: 7px 10px 7px 10px;
    border-radius: 20px;
    margin-right: 10px;
}

    .item_cauhoi.read {
        font-weight: bold;
        color: #fff !important;
        font-size: 14px;
        font-family: arial;
        background-color: #b19b87;
        padding: 7px 10px 7px 10px;
        border-radius: 20px;
        margin-right: 10px;
    }

    .item_cauhoi.selected {
        font-weight: bold;
        color: #fff !important;
        font-size: 14px;
        font-family: arial;
        background-color: #2152d0;
        padding: 7px 10px 7px 10px;
        border-radius: 20px;
        margin-right: 10px;
    }

.test_data_item {
    display: none;
}

    .test_data_item.show {
        display: block;
    }

a:hover {
    text-decoration: underline;
}

.btn_playaudio {
    display: inline-block;
    width: 63px !important;
    height: 65px !important;
    background: transparent url(https://image.alokiddy.com.vn/Styles/img2019/loathuong.png) no-repeat 0 bottom !important;
    position: absolute;
    margin-top: -8px;
    margin-left: 9px;
}

    .btn_playaudio:hover {
        display: inline-block;
        width: 63px !important;
        height: 65px !important;
        background: transparent url(https://image.alokiddy.com.vn/Styles/img2019/loahover.png) no-repeat 0 bottom !important;
        position: absolute;
        margin-top: -8px;
        margin-left: 9px;
    }

    .btn_playaudio.playing {
        background: transparent url(https://image.alokiddy.com.vn/Styles/img2019/loaactive.gif) no-repeat 0 bottom !important;
        box-shadow: 0 0 0 0 !important;
    }

.btn {
    box-shadow: 0 0 0 0 !important;
}
.ajax_Covu
{
    top:0px !important;
}
.btn_micro {
    width: 63px !important;
    height: 65px !important;
    text-align: center;
    position: relative;
    font-family: 'iCiel Panton';
    font-size: 18px;
    color: #52585e;
    background: url(https://image.alokiddy.com.vn/Styles/ndpa/thuam1.png) 0px 0px no-repeat !important;
}



    .btn_micro.recording {
        background: url(https://image.alokiddy.com.vn/Styles/ndpa/thuam_active.gif) 0px 0px no-repeat !important;
    }

    .btn_micro:hover {
        background: url(https://image.alokiddy.com.vn/Styles/ndpa/thuam1_hover.png) 0px 0px no-repeat !important;
    }

.btn_microtudo {
    width: 63px;
    height: 65px;
    text-align: center;
    position: relative;
    font-family: 'iCiel Panton';
    font-size: 18px;
    color: #52585e;
    background: url(https://image.alokiddy.com.vn/Styles/ndpa/thuam1.png) 0px 0px no-repeat;
}



    .btn_microtudo.recording {
        background: url(https://image.alokiddy.com.vn/Styles/ndpa/thuam_active.gif) 0px 0px no-repeat !important;
    }

    .btn_microtudo:hover {
        background: url(https://image.alokiddy.com.vn/Styles/ndpa/thuam1_hover.png) 0px 0px no-repeat !important;
    }

.recordtofile.recording {
    background: url(https://image.alokiddy.com.vn/Styles/ndpa/thuam_active.gif) 0px 0px no-repeat !important;
    width: 63px;
    height: 63px;
    background-size: cover !important;
}

.txt_record {
    width: 461px;
    display: inline-block;
    min-height: 20px;
    line-height: 20px;
    border: solid 1px #4ba8e5;
    border-radius: 5px;
    padding: 10px 10px;
    font-size: 18px;
    color: #282828;
    margin-right: 10px;
    font-style: italic;
    /* color: #2087d6; */
    text-align: justify;
}

    .txt_record .correct {
        color: #0079c7
    }

    .txt_record .incorrect {
        color: red
    }

.btn_blue {
    background: #0085d2;
    color: #fff;
}
.question_matchingab17 {
    width: 100%;
    float: left;
}
.question_matchingab17 .question_drag_content {
    width: 68%;
    float: left;
}

.question_matchingab17 .question_group {
    padding-bottom: 1px;
}

.question_group {
    padding-bottom: 8px;
    width: 100%;
    float: left;
}

.question_matchingab17 .question {
    font-size: 14px;
    min-height: 14px;
    position: relative;
    width: 43%;
    min-height: 0;
    border: 2px solid #5bc0de;
    float: left;
    background-color: rgb(255,255,255);
    padding: 8px;
    margin-right: 2px;
}

.question_matchingab17 .answer_drop_position {
    height: auto;
}

.question_matchingab17 .answer_drop_position {
    float: left;
    width: 46%;
    margin: 0;
    min-height: 39px;
    border: 0;
}

.answer_drop_position {
    display: inline-block;
    border: #696969 dashed 2px;
    height: 28px;
    width: 110px;
    margin: -12px 10px;
}

.question_matchingab17 .question .arrow {
    display: inline-block;
    height: 24px;
    width: 13px;
    position: absolute;
    top: 2px;
    right: -2px;
    border-radius: 20px 0 0 20px;
    border-right: 0;
    background-color: white;
    border-left: solid 2px #5bc0de;
    border-top: solid 2px #5bc0de;
    border-bottom: solid 2px #5bc0de;
}

.question_matchingab17 .answer_drag_content {
    width: 32%;
    float: left;
}

.answer_drag_content {
    width: 100%;
    float: left;
    min-height: 48px;
    -moz-user-select: none;
    -khtml-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

question_matchingab17 .answer_drag_content .drag_answer {
    margin: 0 0 3px 0;
    font-size: 14px;
}

.question_matchingab17 .drag_answer {
    font-weight: normal;
    text-align: justify;
    color: #303030;
    border-radius: 2px;
    border: solid 2px #83C937;
    padding: 8px;
    cursor: move;
    min-height: 14px;
}

    .question_matchingab17 .drag_answer .arrow {
        background: white;
        display: inline-block;
        border: solid 2px #83C937;
        height: 17px;
        width: 11px;
        position: absolute;
        top: 5px;
        left: -15px;
        border-radius: 20px 0 0 20px;
        border-top-color: #83C937;
        border-right-color: white;
        border-left-color: #83C937;
    }

.question_matchingab17 .answer_drop_position.has_answer.false .drag_answer {
    border-color: #df2222;
}

.question_matchingab17 .answer_drop_position.has_answer.true .drag_answer {
    border-color: rgb(3, 156, 224);
}

.question_matchingab17 .answer_drop_position.has_answer.false .arrow {
    border: solid 2px #df2222;
    border-left-color: #df2222;
    border-right-color: white;
}

.question_matchingab17 .answer_drop_position.has_answer.true .arrow {
    border: solid 2px #039CE0;
    border-left-color: #039CE0;
    border-right-color: white;
}