input[type=button] {
    outline: none;
}

.ToolBarIcon {
    position: absolute;
    left: 0em;
    top: 0em;
    -webkit-transition: all 0.2s ease-out;
    -moz-transition: all 0.2s ease-out;
    -o-transition: all 0.2s ease-out;
    transition: all 0.2s ease-out;
    -webkit-transition-delay: 0.3s;
    z-index: 1001;
}

.ToolBarIcon_right {
    position: absolute;
    right: 0em;
    top: 0em;
    -webkit-transition: all 0.2s ease-out;
    -moz-transition: all 0.2s ease-out;
    -o-transition: all 0.2s ease-out;
    transition: all 0.2s ease-out;
    -webkit-transition-delay: 0.3s;
    z-index: 1001;
}

.ToolBarMenu {
    background: #3d3d3d;
    position: absolute;
    left: -10em;
    top: 0;
    -webkit-transition: all 0.2s ease-out;
    -moz-transition: all 0.2s ease-out;
    -o-transition: all 0.2s ease-out;
    transition: all 0.2s ease-out;
    -webkit-transition-delay: 0.3s;
    white-space: nowrap;
    width: 10em;
    overflow-y: scroll;
    height: 100%;
    -ms-overflow-style: none;
    z-index: 1001;
}

.ToolBarMenu_right {
    background: #3d3d3d;
    position: absolute;
    right: -10em;
    top: 0;
    -webkit-transition: all 0.2s ease-out;
    -moz-transition: all 0.2s ease-out;
    -o-transition: all 0.2s ease-out;
    transition: all 0.2s ease-out;
    -webkit-transition-delay: 0.3s;
    white-space: nowrap;
    width: 10em;
    overflow-y: scroll;
    height: 100%;
    -ms-overflow-style: none;
    z-index: 1001;
}

#ToolBarMenu ul {
    margin: 0;
    list-style: none;
    padding: 0;
}

#ToolBarMenu ul li,
#ToolBarMenu ul li:hover {
    cursor: pointer;
}

#ToolBarMenu ul li span {
    color: #fff;
    text-decoration: none;
    display: block;
    line-height: 3.5;
    background-repeat: no-repeat;
    background-position: 0.4em 25%;
    background-size: auto 80%;
    padding-left: 4em;
    opacity: 1;
}

#ToolBarMenu ul li span img {
    height: 2em;
}

#ToolBarMenu ul li span label:hover {
    cursor: pointer;
}


@media only screen and (max-width: 1024px) {}


/* Custom Scrollbar */
#ToolBarMenu::-webkit-scrollbar, #Jumptable::-webkit-scrollbar {
    /*width: 0.5em;*/
    /*height: 0.5em;*/
    border-radius: 10px;
}

/* scrollbar 底色*/
#ToolBarMenu::-webkit-scrollbar-track ,#Jumptable::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 10px;
}


/* scrollbar控制區塊 */
#ToolBarMenu::-webkit-scrollbar-thumb, #Jumptable::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background: transparent;
}

#ToolBarMenu::-webkit-scrollbar-thumb:hover, #Jumptable::-webkit-scrollbar-thumb:hover {
    background: #9e9e9e;
}


#IRS_Div,
#IRS_OriginalQuiz {
    display: none;
    overflow: auto;
    width: 700px;
    height: 90px;
    background-color: rgba(54, 48, 48, 0.629412);
    top: 85%;
    left: 50%;
    position: absolute;
    z-index: 1001;
    margin-left: -350px;
}

#App_Notes,
#App_Discuss {
    display: none;
    overflow: auto;
    width: 785px;
    height: 90px;
    background-color: rgba(54, 48, 48, 0.629412);
    top: 85%;
    left: 50%;
    position: absolute;
    z-index: 1001;
    margin-left: -400px;
}

#IRS_Div ul,
#IRS_OriginalQuiz ul,
#App_Notes ul,
#App_Discuss ul {
    margin: 0;
    list-style: none;
    padding: 0;
}

#IRS_Div ul li,
#IRS_OriginalQuiz ul li,
#App_Notes ul li,
#App_Discuss ul li {
    margin-right: 85px;
    display: inline;
}

#IRS_Div ul li span,
#IRS_OriginalQuiz ul li span,
#App_Notes ul li span,
#App_Discuss ul li span {
    color: #fff;
    width: 90px;
    height: 90px;
    background-repeat: no-repeat;
    background-position: 1.3em 5%;
    background-size: auto 55%;
    position: absolute;
    text-align: center;
    overflow: hidden;
}

#IRS_Div ul li span label,
#IRS_OriginalQuiz ul li span label,
#App_Notes ul li span label,
#App_Discuss ul li span label {
    line-height: 8;
}

.IRS_typeBG {
    background-color: rgba(54, 48, 48, 0.629412);
    position: absolute;
    z-index: 1001;
    display: none;
}

.IRS_typeBG p {
    text-align: center;
    font-size: 20px;
    color: white;
    margin-top: 60px;
    margin-bottom: 50px;
}

.IRS_typeBG ul {
    list-style: none;
    padding: 0;
    height: 30%;
    margin-bottom: 5%;
}

.IRS_typeBG ul li {
    margin-right: 32%;
    display: inline;
}

.IRS_typeBG ul li span {
    color: #fff;
    width: 30%;
    height: 28%;
    background-repeat: no-repeat;
    background-position: 80% 0%;
    background-size: 90% 90%;
    position: absolute;
    text-align: center;
}

.IRS_typeBG ul li span label {
    position: relative;
    top: 93%;
    font-size: 20px;
}

.IRS_exam {
    z-index: 1001;
    position: absolute;
    width: 100%;
    bottom: 0px;
    display: none;
    -webkit-transition: all 0.2s ease-out;
    -moz-transition: all 0.2s ease-out;
    -o-transition: all 0.2s ease-out;
    transition: all 0.2s ease-out;
    -webkit-transition-delay: 0.1s;
}

.teachTOPBG {
    width: 100%;
    height: 20%;
    background-repeat: no-repeat;
    background-size: 100%;
    position: absolute;
    font-size: 25px;
    line-height: 1.5;
}

.teachTOPBG b {
    margin-right: 10px;
    margin-left: 10px;
}

.IRS_btn {
    position: absolute;
    right: 5px;
    top: 0px;
}

.IRS_btn input {
    border-radius: 8px;
}

.IRS_close {
    width: 80px;
    height: 35px;
    font-size: 20px;
    color: #fff;
    background: linear-gradient(dimgray, black, dimgray);
}

.IRS_Answer {
    width: 100px;
    height: 35px;
    font-size: 20px;
    color: #fff;
    background: linear-gradient(dimgray, black, dimgray);
}

.IRS_zoom {
    width: 35px;
    height: 35px;
    background: url("Images/Collapse.png"), linear-gradient(dimgray, black, dimgray);
    background-repeat: no-repeat;
    background-position: center;
    padding: 10px;
}

.teachBG {
    height: 200px;
    width: 100%;
}

.IRS_list {
    width: 100%;
    height: 90%;
}

.IRS_list div {
    position: absolute;
    width: 100%;
    height: 78%;
    top: 21%;
    overflow-y: scroll;
}

.IRS_list div ul {
    margin: 0;
    list-style: none;
    padding: 0;
}

.IRS_list div ul input {
    margin: 5px;
    font-size: 25px;
    padding: 10px 30px 10px 30px;
    float: left;
    border-radius: 8px;
}

.stuBtn {
    background-position: 100%;
    background-image: url("Images/teachbut01_c.png");
}

.stuBtnFocus {
    background-position: 100%;
    background-image: url("Images/teachbut02_c.png");
}

#IRS_answer {
    position: absolute;
    bottom: 2px;
    width: 100%;
    display: none;
    z-index: 1001;
}

.answerCanvas {
    width: 100%;
    height: 95%;
}

#IRS_answer_list {
    width: 80%;
    height: 50px;
    position: absolute;
    bottom: 0px;
}

.IRS_send {
    background: url("Images/ebc.png");
    width: 20%;
    height: 50px;
    background-position: 0px -10px;
    border-radius: 8px;
    color: #fff;
    position: absolute;
    right: 1px;
    bottom: 0px;
}

.OXBtn {
    font-size: 25px;
    float: left;
    border-radius: 8px;
    text-align: center;
    height: 100%;
    background-image: url("Images/abc.png");
    background-position: 100%;
}

.OXBtn:focus {
    background-image: url("Images/bbc.png");
    background-position: 100%;
}

.ChoiceBtn {
    font-size: 25px;
    float: left;
    border-radius: 8px;
    text-align: center;
    height: 100%;
}

.SingleChoiceBtn1,
.MultipleChoiceBtn1 {
    background: url("Images/abr_a.png") 102% no-repeat, url("Images/abc.png") 100%;
}

.SingleChoiceBtn1:focus,
.MultipleClickBtn1 {
    background: url("Images/bbr_a.png") 102% no-repeat, url("Images/bbc.png") 100%;
}

.SingleChoiceBtn2,
.MultipleChoiceBtn2 {
    background: url("Images/abr_b.png") 102% no-repeat, url("Images/abc.png") 100%;
}

.SingleChoiceBtn2:focus,
.MultipleClickBtn2 {
    background: url("Images/bbr_b.png") 102% no-repeat, url("Images/bbc.png") 100%;
}

.SingleChoiceBtn3,
.MultipleChoiceBtn3 {
    background: url("Images/abr_c.png") 102% no-repeat, url("Images/abc.png") 100%;
}

.SingleChoiceBtn3:focus,
.MultipleClickBtn3 {
    background: url("Images/bbr_c.png") 102% no-repeat, url("Images/bbc.png") 100%;
}

.SingleChoiceBtn4,
.MultipleChoiceBtn4 {
    background: url("Images/abr_d.png") 102% no-repeat, url("Images/abc.png") 100%;
}

.SingleChoiceBtn4:focus,
.MultipleClickBtn4 {
    background: url("Images/bbr_d.png") 102% no-repeat, url("Images/bbc.png") 100%;
}

.SingleChoiceBtn5,
.MultipleChoiceBtn5 {
    background: url("Images/abr_e.png") 102% no-repeat, url("Images/abc.png") 100%;
}

.SingleChoiceBtn5:focus,
.MultipleClickBtn5 {
    background: url("Images/bbr_e.png") 102% no-repeat, url("Images/bbc.png") 100%;
}

.SingleChoiceBtn6,
.MultipleChoiceBtn6 {
    background: url("Images/abr_f.png") 102% no-repeat, url("Images/abc.png") 100%;
}

.SingleChoiceBtn6:focus,
.MultipleClickBtn6 {
    background: url("Images/bbr_f.png") 102% no-repeat, url("Images/bbc.png") 100%;
}

.clickBorder {
    border: 2px solid red;
}

#IRS_watch {
    display: none;
}

#IRS_watch div {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: black;
    z-index: 1001;
}

#IRS_watch div span {
    position: relative;
    width: 50%;
    height: 50%;
}

#IRS_watch_btn {
    position: absolute;
    background-image: url("Images/BACKICON.png");
    background-repeat: no-repeat;
    width: 70px;
    height: 50px;
    background-size: 100%;
    border: 0;
    right: 0px;
    top: 0px;
    background-color: #000;
}

#dialogStudentQuiz {
    position: absolute;
    width: 250px;
    height: 280px;
    top: 50%;
    left: 50%;
    margin: -140px 0px 0px -125px;
    border: 1px solid;
    border-radius: 10px;
    background-color: #e2efe2;
    display: none;
}

#dialogStudentQuiz p {
    text-align: center;
    font-size: 18px;
    font-weight: bold;
    margin-top: 15px;
    margin-bottom: 10px;
}

#dialogStudentQuiz div {
    width: 90%;
    height: 80%;
    background-color: white;
    border-radius: 10px;
    margin: 0px auto;
}

#dialogStudentQuiz div img {
    position: absolute;
    width: 60%;
    left: 50%;
    margin: 10px 0px 0px -75px;
}

#dialogStudentQuiz div input {
    background: linear-gradient(white, black, black);
    border-radius: 3px;
    color: white;
    border: 1px solid black;
    margin: 80% 33%;
}

#discussionDialog {
    position: absolute;
    width: 250px;
    height: 280px;
    top: 50%;
    left: 50%;
    margin: -140px 0px 0px -125px;
    border: 1px solid;
    border-radius: 10px;
    background-color: #e2efe2;
    display: none;
}

#discussionDialog p {
    text-align: center;
    font-size: 18px;
    font-weight: bold;
    margin-top: 15px;
    margin-bottom: 10px;
}

#discussionDialog div {
    width: 90%;
    height: 80%;
    background-color: white;
    border-radius: 10px;
    margin: 0px auto;
}

#discussionDialog div img {
    position: absolute;
    width: 60%;
    left: 50%;
    margin: 10px 0px 0px -75px;
}

#discussionDialog div input {
    background: linear-gradient(white, black, black);
    border-radius: 3px;
    color: white;
    border: 1px solid black;
    margin: 80% 33%;
}

#DivShortAnswer {
    display: none;
}

#DivShortAnswer span {
    position: absolute;
    width: 100%;
    height: 100%;
    background-repeat: no-repeat;
    background-size: 100% 100%;
}

#DivShortAnswer span textarea {
    position: absolute;
    width: 67%;
    height: 9.5%;
    top: 4.8%;
    left: 17.8%;
    background-color: #e0e0e0;
    resize: none;
    border: 0;
}

#DivShortAnswer span input {
    position: absolute;
    background-image: url("Images/SendBUT.png");
    background-repeat: no-repeat;
    width: 10%;
    height: 10%;
    background-size: 95% 100%;
    border: 0;
    right: 4%;
    top: 5%;
    background-color: #cdcdcc;
}

#DivShortAnswer span canvas {
    width: 90%;
    height: 77%;
    left: 4.8%;
    top: 17%;
}

.watch4canvas_btn {
    font-size: 25px;
    padding: 10px 30px 10px 30px;
    border-radius: 8px;
    background-position: 100%;
    background-image: url("Images/teachbut01_c.png");
    border: 2px solid red;
    position: absolute;
    left: 0px;
}

#App_Recording {
    position: absolute;
    bottom: 0px;
    margin-left: 50%;
    left: -122px;
    display: none;
}

#RecordingBtn {
    position: absolute;
    top: 5px;
    left: 35px;
}

#App_Recording div input {
    color: white;
    background-position: center;
    width: 51px;
    height: 38px;
    border: none;
    background-color: gray;
}

.RecordingOff {
    background-image: url("Images/MusicRecodeBoard_btn_off.png");
}

.RecordingOn {
    background-image: url("Images/MusicRecodeBoard_btn_on.png");
}

#RecordingTime {
    font-size: 25px;
    font-family: serif;
    position: absolute;
    top: 0px;
    right: 20px;
    line-height: 2;
}

#discussCanvas {
    width: 100%;
    height: 100%;
}

#JumpChapter {
    position: absolute;
    width: 200px;
    height: 100%;
}

.Chapter_header {
    position: absolute;
    width: 100%;
    background: #818181;
    height: 50px;
    z-index: 1000;
}

.Chapter_menu {
    position: absolute;
    width: 100%;
    background: #535252;
    top: 50px;
    height: 95%;
    z-index: 1000;
    font-size: 1.1em;
    overflow: auto;
}

#Chapter_ul li {
    height: 50px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    color: #bcbbbb;
    border-bottom: 0.5px solid #787777;
}

#Chapter_ul li img {
    position: relative;
    margin: 15px 8px 15px 8px;
}

#Chapter_ul li label {
    position: absolute;
    margin-top: 0.9em;
    cursor: pointer;
}

.note_switch_layout {
    width: 100vw;
    height: 100vh;
    position: fixed;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    display: none;
}

.note_switch_div {
    width: 400px;
    height: 500px;
    background-color: #f5e4b7;
    border-radius: 5%;
    box-shadow: 3px 3px 5px #666666;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.note_switch_cont {
    background-color: #fff;
    width: 350px;
    height: 400px;
    border-radius: 5%;
    box-shadow: 0px 0px 5px #666666;
    padding: 10px;
    overflow-x: auto;
}

.note_switch_btns {
    margin-top: 1em;
}

.note_switch_btns>.btn {
    margin: 0 0 0 6px;
    padding: 5px 15px;
    -moz-user-select: none;
    background-image: none;
    border: 1px solid transparent;
    border-radius: 5px;
    cursor: pointer;
    display: inline-block;
    font-weight: 400;
    text-align: center;
    background: #777777;
    color: #fff;
}

.note_switch_btns>.btn:hover {
    background: #000;
}

.note_switch_cont>.title {
    line-height: 2;
    font-weight: bold;
}

.note_switch_cont>ul>li {
    line-height: 2;
    padding-left: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.note_switch_cont>ul>li:hover {
    background-color: #fff7e2;
}

.note_switch_cont>ul>li.selected {
    background-color: #fdeaa3;
}

.note_switch_cont>ul>li>img {
    cursor: pointer;
}

.pageIcons_div {
    /* display: flex;
    justify-content: space-between; */
}

img.pageIcon_l {
    cursor: pointer;
    position: fixed;
    z-index: 999;
    left: 10px;
    top: calc(50% - (71px / 2));
}

img.pageIcon_r {
    cursor: pointer;
    position: fixed;
    z-index: 999;
    right: 10px;
    top: calc(50% - (71px / 2));
}

.classhub_email_div {
    width: 100vw;
    height: 100vh;
    position: fixed;
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.classhub_email {
    width: 400px;
    height: 100px;
    background-color: #f5e4b7;
    border-radius: 10px;
    box-shadow: 3px 3px 5px #666666;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    padding: 1em;
}

.classhub_email>label {
    font-weight: bold;
}

.classhub_email_btns {
    display: flex;
    justify-content: flex-end;
}

.classhub_email_btns>.btn {
    margin: 0 0 0 6px;
    padding: 5px 15px;
    -moz-user-select: none;
    background-image: none;
    border: 1px solid transparent;
    border-radius: 5px;
    cursor: pointer;
    display: inline-block;
    font-weight: 400;
    text-align: center;
    background: #777777;
    color: #fff;
}

.classhub_email_btns>.btn:hover {
    background: #000;
}

.bgColorPicker {
    width: 100vw;
    height: 100vh;
    position: fixed;
    display: none;
    z-index: 2000;
    background-color: rgba(0, 0, 0, 0.7);
}

.picker_cont {
    width: 200px;
    height: 250px;
    background-color: #e8e7e1;
    border-radius: 10px;
    box-shadow: 3px 3px 5px #666666;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    padding: 1em;
    margin: 5% auto;
    position: relative;
}

.closeColor_btn {
    position: absolute;
    top: .5em;
    right: .5em;
    cursor: pointer;
    z-index: 1;
}

.picker_btn {
    margin: 0 0 0 6px;
    padding: 5px 15px;
    -moz-user-select: none;
    background-image: none;
    border: 1px solid transparent;
    border-radius: 5px;
    cursor: pointer;
    display: inline-block;
    font-weight: 400;
    text-align: center;
    background: #000000;
    color: #fff;
}

.ui-icon {
    zoom: 3;
}