.math-tex{display:inline-block}#lesson_content{position:relative}#data_lesson .box_cont{width:100%;margin:10px auto}#data_lesson .title_ex{margin-bottom:10px;color:#4c69ba;font-weight:700}.input_number{height:32px;line-height:32px;text-align:center;width:60px;border:1px solid #999191}.img_dd{width:70px}.basic_q_title{text-align:left; width: 100%}.segment{display:none}.segment .question_txt{text-align:center}.segment.segment_active{display:block}.basic_radio{display:block;width:100%;margin:15px auto;text-align:center;padding:20px 2%}.box_bt_ctrl{margin-top:40px}.show_ht:before{content:'';line-height:34px}.show_hint{margin-top:30px;width:200px}.box_bt_ctrl .basic_hdg{background-color:#fff;border:1px dashed #58960f;border-radius:20px;color:#ff3b7b;cursor:pointer;line-height:29px;font-family:Roboto-Regular;font-size:16px;padding:4px 15px 4px 40px;position:relative}.show_hint::before{content:''}#question_current{display:inline}.bt_tit_true_answer{display:none}#box_result_index .ctr_item_sidebar.true{background-color:rgba(96,225,114,.8)}#box_result_index .ctr_item_sidebar.false{background-color:rgba(255,147,147,.8)}.basic_bt_ctrl{display:none}.basic_guibai{display:block;padding:10px 90px!important}.btn_after_check{display:none}.audio_control{display:none}#result{margin:40px auto;position:absolute;top:0}#box_result_index,._help_goi_y,.bt_popup_result,.btn_save_score{display:none}.basic_bt_ctrl{width:auto}#box_top_ques{padding:2vw 0;text-align:center;background-color:#fff981;border-radius:0 30px 30px 0;vertical-align:middle}#score_curr{background-color:#d55;font-size:6vw;vertical-align:middle;margin-top:4px;padding:2px 20px;display:inline-block;border-radius:30px;color:#fff}.m-ldpi-err{cursor:pointer;vertical-align:middle;display:inline-block;padding:2vw 3vw 2vw 6vw;vertical-align:top}.m-ldpi-err span{vertical-align:bottom;line-height:15px}.pull-right{float:right!important}.btn_save_score{background:url(/file/luyenthi123/common/baitap/image/ic_next_q.png) center right 20px no-repeat #ffb400;padding-right:40vw!important;padding-left:29vw}.basic_segment{padding:0 3%;width:96%;background:#fff}.lt123_imgs{text-align:center;margin:20px 0}.basic_radio_img{display:inline-block;border:2px solid #3493bc;padding:10px;margin:10px;border-radius:8px}.basic_radio_img .img_dd{height:80px;margin:5px;display:inline-block;border:1px solid transparent}.segment{display:none}.segment .question_txt{text-align:center}.segment.segment_active{display:block}.box_bt_ctrl{margin-top:40px}.show_ht:before{content:'';line-height:34px}.show_hint{margin-top:30px;width:130px}.box_bt_ctrl .basic_hdg{background-color:#fff;border:1px dashed #58960f;border-radius:20px;color:#ff3b7b;cursor:pointer;line-height:29px;font-family:Roboto-Regular;font-size:16px;padding:4px 15px 4px 40px;position:relative}.basic_radio_img{width:100%}.basic_radio_img.item_choice{border-color:#ff3b7b}.basic_text_check.basic_false{display:inline-block}.basic_ck_item{display:inline-block;min-width:350px}.show_hint::before{content:''}#question_current{display:inline}.basic_ck_item_text{display:inline-block}.basic_drop_bl_item .basic_dpbl_drag_re{position:initial;float:none}.basic_word_drop_bl .basic_dpbl_drag_re{border-color:#2b2525}.basic_hoi_gray1{font-size:19px;width:auto}.basic_dpbl_drag_re,.basic_drop_bl_item{cursor:pointer}.basic_drop_bl_item{padding:3px 10px;margin-right:6px}.basic_reor_letter .basic_word_drop_bl{margin-top:30px;float:none;text-align:center}.basic_reor_letter .reor_letter_top{border-bottom:1px solid #ccc;padding-bottom:15px}.basic_reor_letter .reor_letter_bottom,.basic_reor_letter .reor_letter_top{display:inline-block;width:100%}.basic_reor_letter .reor_letter{padding:2px 6px;display:inline-block;background:#ebebeb;border:1px solid #d7d7d7;font-size:4.4vw;margin:6px}.basic_reor_letter .reor_letter_top .reor_letter{color:#0f70a9;padding:3px 12px;background:#fff}.basic_reor_letter .reor_letter_bottom{margin-top:15px}.basic_reor_letter .letter_reor_result{font-size:20px;margin-top:5px}.basic_reor_letter .v3_bg_icon{vertical-align:middle}.reorder_letter .reor_letter{line-height:35px!important;font-size:20px!important;text-transform:uppercase;padding:0!important;width:35px;height:35px}#box_result_index .ctr_item_sidebar.true{background-color:rgba(96,225,114,.8)}#box_result_index .ctr_item_sidebar.false{background-color:rgba(255,147,147,.8)}.basic_bt_ctrl{display:none}.basic_guibai{display:block}.btn_after_check{display:none}.audio_control{display:none}#result{margin:40px auto}._help_goi_y,._help_luu_y,.btn_save_score{display:none}.btn_save_score{background:#ffb400 url(/file/luyenthi123/common/baitap/image/ic_next_q.png) no-repeat scroll right 20px center;border:medium none;border-radius:20px;box-shadow:1px 2px 2px 0 #999;color:#fff;cursor:pointer;font-size:18px;font-weight:400;line-height:25px;padding:7px 35px;position:relative;text-align:center;padding-right:58px}.wrapper{background:url({/static/image/home/top-bg.jpg) top center repeat-x;background-color:#e7f8e9;min-height:1070px;background:linear-gradient(#e7f8e9,#e7f8e9),#23432c linear-gradient(#23432c,#23432c);background-position:0 0,0 100%;background-repeat:repeat-x;background-size:80px 400px}.bg_baihoc{background:url(/static/image/home/baitap-bg.jpg) top center no-repeat;height:1200px;position:relative;margin-top:-35px}.box_leaning_cen{position:relative}#main-menu{z-index:8}.body_content{margin-top:-1155px}.navigation_tree{background:rgba(0,0,0,.45);border-radius:5px;-webkit-border-radius:5px;-moz-border-radius:5px}.navigation_tree .nav_tree_links{color:#fff}.navigation_tree .nav_tree_links_ac{color:#fffca8}.lt123_box_gopy{top:3px;right:-5px}#box_keyboard{display:none;clear:both;background-color: #7e2a3a;}.keyboard_fixed{margin:0 auto;background-color:#7e2a3a;padding:8px;z-index:999;clear:both;margin-bottom:20px;position:fixed; bottom:0px}#keyboard_fixed .m-k-head{color:#fff;padding:2vw 2vw 1vw 2vw}._table-cell{display:table-cell;vertical-align:middle}#keyboard_fixed .m-k-table .m-key{border:1.5vw solid #7e2a3a;font-size:8vw;width:20vw;padding:1vw;vertical-align:middle}#keyboard_fixed .m-k-table .m-k-blue{background-color:#00aeda}#keyboard_fixed .m-k-table .m-k-white{background-color:#fff}#keyboard_fixed .m-k-table .m-k-yellow{background-color:#f7c743}#keyboard_fixed .m-k-table .m-k-red{background-color:#f91700;font-size:4vw;position:relative}#keyboard_fixed .m-k-table .m-k-green{background-color:#65b24a;font-size:4vw;font-weight:400;vertical-align:middle;color:#fff}#keyboard_fixed .m-k-table .m-k-delete img{width:16vw;position:absolute;left:3px;top:12px}#keyboard_fixed .m-k-table .m-k-enter img{width:5vw}#keyboard_fixed .glyphicon{right:10px}.fractions{position:relative display: inline-table}.fractions span{display:table-cell;vertical-align:middle}.fractions .fracItem{line-height:22px}.fractions .tuso{border-bottom:1px solid #000;padding-bottom:2px;text-align:center}.basic_multiple_choice .fractions .tuso{border-bottom:1px solid #fff}.fractions .mauso{margin-top:2px;text-align:center}.fractions .fracItem,.fractions input{width:50px;line-height:initial;text-align:center}#number_ques{text-align:center;padding:0 15px 0 0;font-size:20px}.basic_index{display:none}.box_lesson{padding-top:46px}.basic_radio_check,.item_radio .item_radio_click{float:left}.basic_ck_item_ic{margin-right:5px}.ques_index{float:left;margin-right:10px;text-align:center;border-radius:4px;font-size:16px;background:#ff9800;color:#fff;padding:2px 10px}.basic_box_blank_part .box_cont,.basic_choose_word .box_cont{text-align:center}#data_lesson .title_ex{font-weight:400}#data_lesson p{margin:10px 0}a._bkt_report{background:url(https://www.luyenthi123.com/file/luyenthi123/common/baitap/image/ic_kt_report.png) no-repeat;font-size:1px; float:right; margin-right:-12px}#lesson_content{margin:20px 3%;padding-top:40px}#box_time{position:fixed;top:0px;z-index:99;background:#fff981;width:100px;height: 50px; right: 0;}#container{font-weight:700;font-size:24px;font-family:arial}.segment_active{display:block;border-bottom:1px solid #ccc;padding:20px 0}.segment .question_txt{text-align:left}#result{z-index:999}#lesson-detail-page .m-ldp-title .m-ldpt-name{width:86%}svg{width:100%!important}.basic_choose_word .basic_word_drop_bl{border-top:1px dashed #ccc;margin-top:20px}.basic_word_drop_bl{float:none;display:table;margin:10px auto;text-align:center}.basic_item_drop_bank{float:none;display:inline-block}.basic_multiple_choice .bt_tit_true_answer .fractions .tuso,.basic_multiple_choice .basic_explain .fractions .tuso{border-bottom-color:#000}._tit_hoi{width: 20px; text-align:center}.basic_select{width: 100%; margin-left: 0px !important}.basic_multiple_choice .basic_explain,.basic_explain{width: 100%;margin: 10px 0px;padding: 0px;text-align: left;overflow-x: auto;}.lt123matrix{display:inline-block}.lt123_math{float:left;display:inline-block}.item_col{border:1px solid transparent;border-collapse:collapse;display:inline-block;float:left;margin:0;min-height:30px;padding:0;position:relative;text-align:center;width:40px}.clear_both{clear:both;display:block!important;float:none;width:100%!important}.lt123_math .item_col{border:medium none;display:inline-block;float:left;font-size:20pt;height:32px;padding-bottom:5px;padding-top:5px;padding-right:5px;text-align:right;min-width:40px}.lt123matrix .mot_so .item_col{min-width:10px}.lt123_math .item_col .math-gach-cheo{position:absolute;right:3px}.lt123_math .item_col .math-gach-cheo-trai{font-size:10px;position:absolute;right:2px;top:8px}.bt_ques_instruc_sl span{line-height:28px!important}.item_col.bm{border-bottom:1px solid #000!important}.item_col.tp{border-top:1px solid #000!important}.item_col .phep_cong{font-size:20px;position:absolute;right:0;top:-50%}.item_col .phep_nhan{font-size:20px;position:absolute;right:0;top:-50%}.item_col .phep_tru{font-size:20px;position:absolute;right:20%;top:-50%}.lt123_math .tim_x.x2{width:100px!important}.lt123_math .tim_x{width:100%;height:88%}
#box_keyboard .m-k-head {
    color: #fff;
    padding: 0px; width:100%
}#box_keyboard .m-k-table{margin-bottom: 0px;}
#box_keyboard .m-k-table .m-k-blue {
    background-color: #00aeda;
}
#box_keyboard .m-k-table .m-key {
    border: 1.5vw solid #7e2a3a;
    font-size: 8vw;
    width: 20vw;
    padding: 1vw;
    vertical-align: middle;
}
#box_keyboard .m-k-table .m-k-yellow {
    background-color: #f7c743;
}
#box_keyboard .m-k-table .m-k-red {
    background-color: #f91700;
    font-size: 4vw;
}
#box_keyboard .m-k-table .m-k-enter {
    font-size: 4vw;
    font-weight: normal;
    vertical-align: middle;
}
#box_keyboard .m-k-table .m-k-white {
    background-color: #fff;
}
#box_keyboard .m-k-table .m-k-green {
    background-color: #65b24a;
    color: #fff;
}
#data_lesson{padding-bottom:100px}