/* 스크롤 게이지 */
#top_btn_wr {position:fixed;bottom:50px;right:50px; z-index: 90; width: 90px; height: 90px; display: flex; align-items: center ;justify-content: center;}
#top_btn_wr button { position: relative; z-index: 5; border:0; background:rgba(0,0,0,0.1); width: 80px; height:80px; border-radius: 50%; transition: all .3s ease; position: relative; right: 0px; top: 0;}
#top_btn_wr button img { width: 40px; }

#top_btn_wr .progress_cir {position: absolute; left: 0; top: 0;}
.progress_cir {transform: rotate(-90deg);}