.hostUrl {
  overflow: hidden;
  text-overflow: ellipsis;
}
.qrCode {
  width: 20px;
  height: 20px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  margin-left: 10px;
  cursor: pointer;
}
.qrCode img {
  width: 100%;
  height: 100%;
}
.vertical-bar {
  padding: 0 2px;
  background-color: red;
  margin-right: 5px;
  font-size: 12px;
  border-radius: 4px;
  vertical-align: middle;
}
a {
  text-decoration: underline;
  color: red;
}
.main_module ul {
  list-style: disc;
}
.qlEditor * {
  font-family: inherit;
}
.qlEditor ol,
.qlEditor ul {
  margin: 16px 0;
  padding-left: 20px;
}
.qlEditor ol {
  list-style-type: decimal;
}
.qlEditor ul {
  list-style-type: disc;
}
.teacherImageViewer .el-image-viewer__canvas img {
  padding: 30px;
  background-color: #fff;
  border-radius: 5px;
}
.teacherImageViewer .el-icon-close {
  color: #fff;
}