.tmpcoder-reading-progress-bar-container{position:fixed;top:0;left:0;width:100%;z-index:9999999}.tmpcoder-reading-progress-bar{background-color:#000;width:0%}.tmpcoder-dual-heading-icon-and-desc-top .tmpcoder-dual-heading-wrap{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:reverse;-ms-flex-direction:column-reverse;flex-direction:column-reverse}.tmpcoder-dual-heading-icon-top .tmpcoder-dual-heading-wrap{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column}.tmpcoder-dual-heading-icon-top .tmpcoder-dual-heading-icon-wrap{-webkit-box-ordinal-group:0;-ms-flex-order:-1;order:-1}.tmpcoder-dual-heading-desc-top .tmpcoder-dual-heading-wrap{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column}.tmpcoder-dual-heading-desc-top .tmpcoder-dual-heading-description{-webkit-box-ordinal-group:0;-ms-flex-order:-1;order:-1}.tmpcoder-dual-title{margin:0}.tmpcoder-dual-title .first,.tmpcoder-dual-title .second{display:inline-block}.tmpcoder-stt-wrapper{display:-webkit-box;display:-ms-flexbox;display:flex}.tmpcoder-stt-btn{border:none;cursor:pointer;font-size:16px;line-height:48px;text-align:center;padding:20px;max-width:5cm;text-align:center;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;line-height:1;-webkit-box-shadow:0 0 10px 0 rgb(0 0 0 / .25);box-shadow:0 0 10px 0 rgb(0 0 0 / .25)}.tmpcoder-stt-btn-icon-left .tmpcoder-stt-btn{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center}.tmpcoder-stt-btn-icon-right .tmpcoder-stt-btn{-webkit-box-orient:horizontal;-webkit-box-direction:reverse;-ms-flex-direction:row-reverse;flex-direction:row-reverse}.tmpcoder-stt-btn-icon-bottom .tmpcoder-stt-btn{-webkit-box-orient:vertical;-webkit-box-direction:reverse;-ms-flex-direction:column-reverse;flex-direction:column-reverse}.tmpcoder-stt-btn-icon-top .tmpcoder-stt-btn{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-align:center;-ms-flex-align:center;align-items:center}.tmpcoder-stt-btn-align-fixed .tmpcoder-stt-btn{visibility:hidden;position:fixed;z-index:9999}.tmpcoder-stt-btn-align-fixed-right .tmpcoder-stt-btn{left:auto}.tmpcoder-stt-btn-align-fixed-left .tmpcoder-stt-btn{right:auto}/** Widgets: reading-progress-bar, dual-color-heading, back-to-top **/