.blog-sample{width:100%;height:100%}.blog-sample__iframe{width:100%;border:none;min-height:1000px}.blog-sample button.back-to-top{position:fixed;bottom:30px;right:30px;min-height:36px;line-height:18px;font-size:14px;font-weight:600;min-width:160px;max-width:160px;border-radius:17px;padding:3px 16px;cursor:pointer;z-index:9999;opacity:0;visibility:hidden;pointer-events:none;transition:all .1s ease}.blog-sample button.back-to-top:hover{transform:scale(1.05);text-decoration:underline;box-shadow:1px 2px 4px 0 rgba(0,0,0,.149)}.blog-sample button.back-to-top:active{background:#eb2a31;border:2px solid #fff}.blog-sample button.back-to-top.visible{opacity:1;visibility:visible;pointer-events:auto}