@charset "utf-8";
/* CSS Document */
body{ font-family:SimSun,"proxima-nova", Helvetica, Arial, sans-serif, 微軟正黑體; font-size: 1.2em}

#lesson-container iframe{  width: 100% !important;
  height: auto !important;
  aspect-ratio: 16 / 9;}
@media only screen and (max-width: 640px) {
  /*img {
    width: 100% !important;
    height: auto !important;
  }*/
  .summernote_html img{width: 100%!important;height: auto}
  .course_header_col img {
    
    width: 25px !important;
  }
}
.summernote_html a{word-break: break-all;}