.lesson-question-plugin-pane-header {
  background: #f5f5f5;
  border-bottom: 1px solid #e9e9e9;
  padding: 10px;
  position: relative;
}

.lesson-question-plugin-pane-header .back-to-list {
  float: left;
}

.lesson-question-plugin-pane-header h4 {
  margin: 0;
  padding: 0 70px;
  font-size: 16px;
  font-weight: bold;
  text-align: center;
  line-height: 34px;
}

.lesson-question-plugin-pane-header h4 i {
  font-weight: normal;
  color: #777;
  font-size: 14px;
}

.lesson-question-plugin-pane-thread {
  padding: 10px;
  margin-bottom: 20px;
}

.lesson-question-plugin-pane-thread h5 {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: bold;
}

.lesson-question-plugin-pane-posts .posts-header {
  margin: 10px 10px;
  border-top: 1px solid #ddd;
  position: relative;
  height: 20px;
}

.lesson-question-plugin-pane-posts .posts-header h5 {
  position: absolute;
  top: -18px;
  left: 10px;
  background: #fff;
  padding: 0 5px;
  font-size: 14px;
  font-weight: bold;
}

.lesson-question-plugin-pane .posts {
  list-style: none;
  margin:10px;
  padding: 0;
}

.lesson-question-plugin-pane .post-item {
  margin-bottom: 20px;
}

.lesson-question-plugin-pane .post-item-heading {
  border-bottom: 1px solid #e3e3e3;
  padding-bottom: 5px;
  margin-bottom: 5px;
}

.lesson-question-plugin-pane .post-item-heading .avatar {
  float: left;
  width: 32px;
  height: 32px;
}

.lesson-question-plugin-pane .post-item-heading .infos {
  margin-left: 42px;
}

.lesson-question-plugin-pane .post-item-heading .infos .time {
  font-size: 12px;
  color: #999;
}

.lesson-question-plugin-pane .post-item-heading .infos .teacher-flag {
  background: #5cb85c;
  font-size: 12px;
  color: #fff;
  float: right;
  padding: 1px 5px;
  border-radius: 2px;
}

.lesson-question-plugin-pane .post-item-body {
  color: #444;
}

.lesson-question-plugin-pane .post-form {
  margin: 10px;
}

// 课时资料
.toolbar-pane-list {
  font-size: 13px;
}

.toolbar-pane-list .list-item-body {
  padding-left: 10px;
  padding-right: 10px;
}

.toolbar-pane-list .meta,
.toolbar-pane-list .summary {
  color: #999;
  font-size: 12px;
}

// 课时作业
.homework-pane, .material-pane {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100%;
  overflow: hidden;
}
.homework-pane h5, .material-pane h5 {
  font-weight: bold;
  font-size: 13px;
  color: #999;
  margin: 10px;
}

.homework-pane .lesson-about, .material-pane .lesson-about {
  color: #999;
  font-size: 12px;
  margin: 10px;
  margin-bottom: 30px;
}

// 课时
.course-item-list-in-toolbar-pane {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100%;
  overflow-y: hidden;
  overflow-x: hidden;
}

// ppt课时
.ppt-dashboard {
  width: 100%;
  position: fixed;
  top: 56px;
  bottom: 0px;
  left: 0;
  right: 0;
  background: #e5e5e5;
}

.slide-player {
  position: absolute;
  top: 0px;
  left: 0px;
  right: 0px;
  bottom: 0px;
}

.slide-player-full-window {
  padding: 0;
  margin: 0;
  height: 100%;
}

.slide-player-fullscreen {
  position: fixed;
  overflow: hidden;
  z-index: 1000;
  left: 0;
  top: 0;
  bottom: 0;
  right: 0;
  width: 100% !important;
  height: 100% !important;
}

.modal-body .lesson-preview-ppt {
  position: relative;
  min-height: 500px;
}

.loading-background  {
  @media(min-width: @screen-sm-min) {
    background: #fff url('@{img-src}old/loader.gif') no-repeat center center;
  }
}

.slide-player-watermark {
  position: absolute;
  width: 100%;
  bottom: 50px;
  text-align: center;
  font-size: 14px;
  padding: 10px;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  -khtml-user-select: none;
  user-select: none;
  cursor: default;  
}

.slide-player-control {
  position: absolute;
  width: 100%;
  bottom: 0px;
  text-align: center;
  font-size: 20px;
  padding: 10px;
  background: #fff;
  border-top: 1px solid #e2e2e2;
}

.slide-player-control a {
  color: #666;
}

.slide-player-control a:hover {
  color: #333;
}

.slide-player-control .fullscreen {
  float: right;
  margin-left: 15px;
}

.slide-player-control .goto-first {
  margin-left: 100px;
  @media(max-width:@screen-xs-min) {
    margin-left: 0;
  }
}

.slide-player-control .goto-page,
.slide-player-control .goto-index {
  width: 65px;
  display: inline-block;
  @media(max-width:@screen-xs-min) {
    width: 42px;
    padding: 0;
    text-align: center;
  }
} 

.slide-player-control .goto-page-input,
.slide-player-control .goto-index-input {
  float: right;
  font-size: 16px;
}

.slide-player-control .glyphicon {
  padding-left: 10px;
  padding-right: 10px;
  @media(max-width:@screen-xs-min) {
    padding-left: 0;
    padding-right: 5px;
  }
}

.slide-player-body {
  position: absolute;
  text-align: center;
  width: 100%;
  top: 0px;
  @media(max-width: @screen-xs-min) {
    top: 25%;
  }
  bottom: 50px;
}

.slide-player-body .slide {
  display: none;
  position: relative;
  max-height: 100%;
  width: auto;
  max-width: 100%;
  margin: 0 auto;
}

.slide-player-body .slide.active {
  display: inline-block;
}

.slide-notice {
  display: none;
  border-bottom: 1px solid #e5e5e5;
  -webkit-box-shadow: 0 5px 15px rgba(0,0,0,.5);
  box-shadow: 0 5px 15px rgba(0,0,0,.5);
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid #999;
  border: 1px solid rgba(0,0,0,.2);
  border-radius: 6px;
  outline: 0;
  -webkit-box-shadow: 0 3px 9px rgba(0,0,0,.5);
  box-shadow: 0 3px 9px rgba(0,0,0,.5);
  filter:alpha(opacity=50);
  -moz-opacity:0.5;
  opacity:0.5;
  z-index: 1000;
  text-align: center;
  margin: 100px auto;
  position: relative;
  width: 300px;
}

.slide-notice .header {
  padding: 15px;
  min-height: 16px;
}