css += ".ytp-chapter-title.ytp-button.ytp-chapter-container-disabled { width:100%!important; height: 31px; line-height: 32px!important; font-size: 12px!important; }\n";
        css += ".ytp-chapter-title.ytp-button { width:100%!important; height: 31px; line-height: 32px!important; font-size: 12px!important; }\n";