@charset "utf-8";
/* styles for topic page article */
.affix-header {
	position: fixed;
	top: 0px;
	width: 100%;
	z-index: 10;
}
#article-main div .article-video {
	margin: 20px 0px;
}
#sidebar {
	position: relative;
}
.affix-sidebar {
	position: fixed!important;
	top: 48px!important;
}
#sidebar #sidebar-container .selected-info {
	margin: 20px 0px 0px;
	padding: 0px 10px;
	border-top: solid 1px #B7B7B7;
	border-bottom: solid 1px #B7B7B7;
}
#sidebar-container .selected-info p {
	font-size: 12px;
	font-weight: 700;
	padding: 0px;
	margin: 5px 0px;
}
#sidebar-container .selected-info p span {
	display: block;
	font-size: 12px;
	font-weight: normal;
	padding: 0px;
}
#sidebar #sidebar-container .help-support {
	margin: 0px 0px 0px;
	padding: 0px 10px;
	border-bottom: solid 1px #B7B7B7;
}
#sidebar-container .help-support p {
	font-size: 12px;
	font-weight: 700;
	padding: 0px;
	margin: 5px 0px;
}
#sidebar-container .help-support p a {
	font-size: 12px;
	font-weight: 700;
	padding: 0px;
	text-decoration: none;
}
#sidebar-container .practice-quiz .practice-content {
	padding: 20px 15px;
	border-bottom: solid 1px #B7B7B7;
}
#sidebar-container .practice-quiz .practice-content a {
	display: block;
}
#sidebar-container .practice-quiz .practice-content a .practice-button {
	width: 100%;
	font-size: 14px;
	font-weight: 700;
    border-radius: 0px!important;
    background-color: #7bb278!important;
}
#sidebar-container .practice-quiz .practice-content a .practice-button span {
	display: block;
	font-size: 12px;
	font-weight: normal;
}
#sidebar-container .practice-quiz .quiz-content {
	padding: 20px 15px;
	border-bottom: solid 1px #B7B7B7;
}
#sidebar-container .practice-quiz .quiz-content a .quiz-button {
	width: 100%;
	font-size: 14px;
	font-weight: 700;
    border-radius: 0px!important;
    background-color: #7bb278!important;
}
#sidebar-container .practice-quiz .quiz-content a .quiz-button span {
	display: block;
	font-size: 12px;
	font-weight: normal;
}
#article-container #article-main {
	font-family: "Helvetica Neue", "Helvetica", "Arial", sans-serif;
	color: #000000!important;
	padding-right: 20px;
	padding-bottom: 20px;
}
#article-container #article-main h1::before, h2::before, h3::before, h4::before, h5::before, h6::before {
	display: block;
	content: " ";
	height: 100px;
	margin-top: -100px;
	visibility: hidden;
}
#article-container #article-main h1 {
	font-size: 30px;
	font-weight: 400;
	outline: none;
	line-height: 1.2;
	margin-top: 24px;
}
#article-container #article-main h2 {
	font-size: 24px;
	font-weight: 400;
	outline: none;
	line-height: 1.2;
	margin-top: 0px;
}
#article-container #article-main h3 {
	font-size: 18px;
	font-weight: normal;
	outline: none;
	line-height: 1.2;
	margin-top: 28px;
    color: #3a913f!important;
}
#article-container #article-main h4 {
	font-size: 16px;
	font-weight: 700;
	outline: none;
	line-height: 1.2;
	margin-top: 40px;
    color: #535353;
}
#article-container #article-main h5 {
	font-size: 14px;
	font-weight: 700;
	outline: none;
	line-height: 1.2;
    color: #535353;
}
#article-container #article-main h6 {
	font-size: 12px;
	font-weight: 700;
	outline: none;
    color: #535353;
}
#article-container #article-main p {
	font-size: 16px;
	line-height: 1.5;
	font-weight: normal;
	margin: 8px 0px;
}
/* list styles */
#article-container #article-main ul {
	display: block;
    list-style: disc inside;
    padding: 10px 15px;
}
#article-container #article-main ul li {
    list-style: disc outside;
    margin-left: 1em;
}
#article-container #article-main ul li ul li {
    list-style: circle outside!important;
    padding: 0px;
    margin-left: 1em;
}
#article-container #article-main ol {
	display: block;
    list-style: decimal;
    padding: 10px 15px;
}
#article-container #article-main ol li {
    list-style: decimal outside;
    margin-left: 1em;
}
#article-container #article-main ol li ul {
    list-style: disc outside;
    margin-left: 1em;
    padding: 5px 0px;
}
#article-container #article-main ol li ul li {
    list-style: disc outside!important;
    margin-left: 1em;
}
#article-container #article-main ol li ul li ul {
        padding: 5px 0px 0px;
}
#article-container #article-main ol li ul li ul li {
    list-style: circle outside!important;
}
#article-container #article-main table {
	border-collapse: collapse;
	width: 90%;
	margin: 20px 0px 20px 0px;
}
#article-container #article-main table tr {
	vertical-align: top;
}
#article-container #article-main table tr td {
	vertical-align: top;
}
#article-container #article-main table, th, td {
	border: 1px solid black;
}
#article-container #article-main th, td {
	padding: 10px;
	text-align: left;
}
#article-container #article-main tr:nth-child(even) {
	background-color: #F7F7F7;
}
#article-container #article-main img {
	max-width: 100%!important;
	height: auto;
	margin-top: 0px;
	margin-bottom: 10px;
}
.text-right-img {
	float: right;
	margin: 0px!important;
	margin-left: 10px!important;
}
.text-right-p {
	margin-top: 0px!important;
	margin-bottom: 20px!important;
}
.text-right-p::after {
	content: "";
	clear: both;
	display: table;
	margin-bottom: 10px!important;
}
.text-left-img {
	float: left!important;
	margin-right: 10px!important;
}
.text-left-p {
	margin-top: 20px!important;
	margin-bottom: 20px!important;
}
.text-left-p::after {
	content: "";
	clear: both;
	display: table;
	margin-bottom: 10px!important;
}
.fix-sidebar-bottom {
	display: block;
	position: absolute;
	top: auto;
	bottom: 0px;
	z-index: 0;
}
#article-container #article-main table img {
	max-width: 100%!important;
	height: auto!important;
}

.bottom {
	position: absolute;
}
.navbar {
	padding: 10px 0px;
}
.navbar .w3-container {
}
.navbar .w3-container .topic-title {
	display: block;
	font-size: 14px;
	font-weight: 700;
	padding: 10px 0px;
	color: #9A9A9A;
}
.navbar .w3-container .toc {
}
.navbar .w3-container .toc {
	overflow-y: auto
}
.navbar .w3-container .toc>.toc-list {
	overflow: hidden;
	position: relative;
}
.navbar .w3-container .toc>.toc-list li {
	list-style: none;
	line-height: 1.2;
	padding: 6px 0px;
}
.navbar .w3-container .toc .toc-list {
	margin: 0;
	padding-left: 10px;
	font-size: 14px;
}
.navbar .w3-container .toc a.toc-link {
	color: currentColor;
	height: 100%;
	text-decoration: none;
}
.navbar .w3-container .toc .is-collapsible {
	max-height: 1000px;
	overflow: hidden;
	transition: all 300ms ease-in-out;
}
.navbar .w3-container .toc .is-collapsible li {
	padding: 8px 0px 0px;
}
.navbar .w3-container .toc .is-collapsed {
	max-height: 0;
}
.navbar .w3-container .toc .is-position-fixed {
	position: fixed !important;
	top: 0;
}
.navbar .w3-container .toc .is-active-link {
	font-weight: 700;
}
.navbar .w3-container .toc .toc-link::before {
	background-color: #EEE;
	content: ' ';
	display: inline-block;
	height: inherit;
	left: 0;
	margin-top: -6px;
	position: absolute;
	width: 2px;
}
.navbar .w3-container .toc .is-active-link::before {
	background-color: #e55844;
}

#exercise-modal .w3-modal-content {
   border-radius: 6px!important;
   min-height: 350px;
}
.practice-quiz .quiz-content {
	padding: 20px 15px;
	border-bottom: solid 1px #B7B7B7;
}
.practice-quiz .quiz-content a {
	display: block;
}
.practice-quiz .quiz-content a .quiz-button {
	width: 100%;
	font-size: 14px;
	font-weight: 700;
}
.practice-quiz .quiz-content a .quiz-button span {
	display: block;
	font-size: 12px;
	font-weight: normal;
}
.share {
	padding-top: 20px;
	padding-bottom: 20px;
}
.share .share-title {
	display: block;
	font-size: 14px;
	font-weight: 700;
	color: #9A9A9A;
}
.share .w3-bar {
}
.share .w3-bar .w3-bar-item.w3-button {
	border: solid 1px #C8C8C8;
	margin: 10px 10px 0px 0px;
	padding: 6px 12px;
	color: #666666;
}
#article-container #article-main code {
    font-family: monospace;
	font-size: 16px;
    background-color: #EFF7FF;
    padding: 8px;
	line-height: 1.2;
}
#article-container #article-main .important-tip {
    display: inline-block;
    padding: 10px;
    margin: 10px 0px;
    line-height: 1.2;
    color: #FFFFFF;
    background-color: #3498FD;
    font-weight: 700;
}
#article-container #article-main .general-tip {
    display: inline-block;
    padding: 10px;
    margin: 10px 0px;
    line-height: 1.2;
    color: #000000;
    background-color: #FFF2BD;
    font-weight: 700;
}
img.lazy { 
   display: block;
}
/* end topic styles */

@media screen and (max-width: 600px) {
   /* topic page */
   .navbar {
      display: none;
   }
   #sidebar-container.affix-sidebar {
      position: relative!important;
      top: 0px!important;
   }
   .bottom {
      position: relative;
      top: 0px!important;
   }
   .share {
      text-align: center;
   }
   .share .w3-bar .w3-bar-item.w3-button {
      float: none;
      width: 50%;
      margin: 10px auto;
   }

   a.next, a.prev {text-decoration:none;}
}