* {
	padding: 0;
	margin: 0;
}

html, body {
	height: 100%;
	width: 100%;
	-webkit-user-select:none;
}

body {
	background: #FFF;
	font-family: "Microsoft YaHei" ! important;

}

::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    border-radius: 10px;
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.5);
}

.container {
	overflow: auto;
}

.subject {
	margin-top: 58px;
	margin-left: 3%;
	width: 30%;
	min-width: 275px;
	max-width: 380px;
	height: 200px;
	background: #E9E9E9;
	box-shadow: 0 4px #d9d9d9;
	display: inline-block;
	vertical-align: top;
	position: relative;
}

.subject img {
	width: 100%;
	height: 100%;
}

.subject_icon {
	margin-top: 28px;
	margin-left: 8%;
	width: 133px;
	height: 140px;
	display: inline-block;
}

.subject_description {
	margin-left: 9%;
	margin-top: 88px;
	color: #434343;
	font-size: 22px;
	vertical-align: top;
	display: inline-block;
}

.subject_title {
	letter-spacing: 9px;
}

.warn_sign {
	position: absolute;
	right: 15%;
	top: 45px;
	height: 40px;
	width: 40px;
	background-image: url("../img/caution.png");
	background-size: contain;
	bottom: 0px;
	vertical-align: top;
}

.error_text {
	color: #FFFFFF;
	font-size: 18px;
	min-width: 80px;
	height: 44px;
	line-height: 44px;
	text-align: center;
	background: url("../img/tab.png") no-repeat;
	background-size: 100% auto;
	position: absolute;
	right: -5px;
	top: 18px;
}

.subject .inactive_img {
	display: none;
}

.subject_inactive .warn_sign {
	display: none;
}
.subject_inactive .warn_text {
	display: none;
}
.subject_inactive .inactive_img {
	display: inline;
}
.subject_inactive .active_img {
	display: none;
}


#homework_list {
	display: none;
	position: relative;
	margin: 0 auto;
	width: 80%;
	font-size: 18px;
}

.homework_item {
	width: 100%;
	padding: 10px 0 5px 0;
	min-height: 35px;
	border-bottom: solid 2px #D9D9D9;
}

.homework_item span {
	display: inline-block;
	vertical-align: middle;
}

.homework_item_date {
	margin-left: 3%;
	width: 16%;
}

.homework_item_title {
	width: 43%;
}

.homework_item_result {
	width: 16%
}

.homework_item_action{
	width: 16%;
	color: #0099CC;
}

.homework_item_action:hover{
    cursor: pointer;
    opacity: 0.8;
}

.homework_item_undone{
	min-height:33px;
	max-width:125px;
	padding: 5px 0 0 3px;
	border: solid 2px white;
	color: #FFFFFF;
	text-align:center;
	letter-spacing: 5px;
	background-color: #31A4D9;
	box-shadow: 0 2px #b9b9b9;
}

.homework_item_undone:hover{
    opacity: 0.8;
}
#homework {
	position: relative;
	min-height: 240px;
}

.homework_title {
	text-align: center;
	width: 100%;
	font-size: 22px;
	color: #777;
	padding-top: 6px;
}

.homework_progress {
	width: 100%;
	border-bottom: 2px solid gray;
	height: 40px;
	position: relative;
	margin-bottom: 20px;
}

.homework_progress img{
	position: absolute;
	height: 100%;
	left: 2%;
}

.nav_button{
	position: absolute;
	width: 10%;
	max-width: 66px;
	max-height: 45px;
	bottom: 30%;
}

#prev_question_button {
	left: 0;
}

#next_question_button {
	right: 0;
}

#submit_answer_button {
	right: 0;
	width: 12%;
	max-width: 94px;
	max-height: 95px;
}

.homework_main{
	overflow: auto;
	padding-bottom: 5px;
}

.homework_content {
	margin: 0 13%;
	padding-bottom: 60px;
	background: #FFFFFF;
	width: 75%;
}

.question {
	font-size: 16px;
	color: #434343;
	word-wrap: break-word;
	padding-bottom: 20px;
}

.hide {
	display:none;
}

.question_type_name{
	border-bottom: 2px solid #33B5E5;
	font-size: 18px;
	padding: 20px 0 5px 46px;
	color: #33B5E5;
}

.question_type_name > img{
	margin-right: 16px;
	vertical-align: bottom;
}

.question_stem {
	padding: 15px 50px 20px 76px;
}

.question_answer {
	padding: 20px 0;
	background-color: #eee;
	text-align: center;
}

.question_answer_item {
	padding-right: 20px;
}

.multichoice_answer_list input[type=radio]{
    -webkit-appearance:none;
    background-image:url("../img/radio_unchecked.png");
    padding: 13px;
    vertical-align: middle;
}
.multichoice_answer_list input[type=radio]:checked{
    background-image:url("../img/radio_checked.png");
}
.multichoice_answer_list input[type="checkbox"] {
    -webkit-appearance: none;
    padding: 13px;
    background-image: url("../img/checkbox_unchecked.png");
    vertical-align: middle;
}
.multichoice_answer_list input[type="checkbox"]:checked{
    background-image: url("../img/checkbox_checked.png");
}

.short_answers {
	margin-left: 76px;
}
.answer_blank {
	display: inline-block;
	min-width: 150px;
	max-width:100%;
	border-bottom: 2px solid #33B5E5;
	outline: none;
	-webkit-user-select: auto;
	text-align: left;
}

.subquestion {
   margin-top: 10px;
}

.subquestion_number{
	margin-top: 15px;
	width: 76px;
	text-align: center;
}

.homework_score {
	width: 100%;
	font-size: 18px;
	color:#777777;
	margin: 10px 0 20px 0;
}

.homework_score_detail {
	display: inline-block;
	margin-left: 16%;
}

.homework_score_detail > div {
	display: inline-block;
	vertical-align: middle;
}

.class_correct_rate{
	font-size: 16px;
	color:#777777;
}

.home_correct_rate {
	position: absolute;
	top: 0px;
	left: 0px;
	font-size: 18px;
	line-height: 100px;
	width: 100px;
	text-align: center;
}

.homework_star_level {
	display: inline-block;
	margin-left: 16%;
}
.homework_star_level > img {
	vertical-align: middle;
	padding-right: 10px;
}
.question_collection_type {
	color: #33B5E5;
	padding: 20px 0 10px 25px;
	border-bottom: 3px solid #33B5E5;
}

.question_collection_type_name {
	font-size: 18px;
}

.question_collection_count {
	font-size: 16px;
}

.question_collection .question {
	font-size: 0;
	border-bottom: 2px solid #E9E9E9;
	padding: 10px 0;
}

.question_number {
	width: 7%;
	display: inline-block;
	text-align:center;
	font-size: 24px;
	vertical-align: middle;          	
}

.question_collection .question_answer_detail{
	border-left: 2px solid #E9E9E9;
	width: 92%;
	display: inline-block;
	vertical-align: middle;
}

div.question_answer_detail {
	font-size: 0;
}

.question_answer_detail > div {
	display: inline-block;
	font-size: 16px;
	vertical-align: middle;
}

.question_content {
	width: 68%;
	word-wrap:break-word;
	border-right: 2px solid #E9E9E9;
}

.question_answer_detail .question_stem {
	padding: 5px;
	border-bottom: none;
}
.question_answer_detail .question_answer_item {
	padding: 5px;
	border-bottom: none;
}

.question_answer_result {
	width: 29%;
	text-align: center;
}

.question_analysis {
	padding-top: 10px;
	border-top: 2px solid #E9E9E9;
}
.question_source {
	width: 98%;
	padding-top: 50px;
	padding-right: 2%;
	text-align: right;

}
.question_source_name {
	color: #33B5E5;
}

.answer_partly_correct{
	display: inline-block;
	color: #33B5E5;
	font-size: 18px;
	margin-bottom: 20px;
}
.choosed_right {
	color: #669900;
}

.choosed_wrong {
	color: #FF4444;
}

.do_over_button {
	display: inline-block;
	width: 120px;
	height: 40px;
	line-height: 40px;
	text-align: center;
	background: #1988BB;
}

.do_over_button:hover{
		opacity: 0.5;
		cursor: pointer;
}