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img{width:20px}.tutorial_content .content .tab-content .os_type span{font-size:0.8rem;margin-left:2px}.tutorial_content.file_path_install .browser{list-style:disc;list-style-position:inside}.tutorial_content.file_path_install .browser .version{font-size:12px}.tutorial_content.file_path_install .install_detail{scroll-margin-top:50px}.tutorial_content.file_path_install .install_detail .badge{font-weight:normal;font-size:0.8rem}.tutorial_content.file_path_install .china_mainland{border-top:1px solid #dee2e6}.tutorial_content.file_path_install .china_mainland .js-install-china{font-weight:bold}.tutorial_content.file_path_highlight_new_words_pdf .privacy{font-size:1rem}.tutorial_content.file_path_highlight_new_words_pdf .privacy img{width:1.6rem;vertical-align:middle}.tutorial_content.file_path_pwa .badge{font-weight:normal}.burningvocabulary_com .file_path_index .qa_list .card:nth-of-type(1){font-size:1rem}

.bv_email{position:relative;text-decoration:underline;cursor:pointer;text-transform:none}.bv_email.is-copied::before{content:'Copied';position:absolute;background:black;color:#fff;border:1px solid;padding:5px;font-size:10px;text-align:center;right:102%}

