:root{--vi-ie-focus: #0D3360;--vi-ie-focus-inversed: #E8E8A0}.vi-page-back-to-top{position:fixed;z-index:9995;right:11px;bottom:57px;width:2.75rem;height:2.75rem;background:transparent;border:0;opacity:0;transition:opacity .3s;pointer-events:none}.vi-page-back-to-top.show{opacity:1;pointer-events:auto}.vi-page-back-to-top::before{content:"";width:2rem;height:2rem;display:block;border-radius:50%;position:absolute;top:.375rem;left:.375rem;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32' class='vi-icon' fill='%2300567A' stroke='none'%3E%3Cpath d='M16 32C7.2 32 0 24.8 0 16S7.2 0 16 0s16 7.2 16 16-7.2 16-16 16zm0-30C8.3 2 2 8.3 2 16s6.3 14 14 14 14-6.3 14-14S23.7 2 16 2zm6.4 12.2L16 8l-6.4 6.2 1.2 1.4 4.2-4.1V24h2V11.4l4.2 4.1 1.2-1.3z' fill='%2300567A' stroke='none' /%3E%3C/svg%3E");background-size:cover;background-color:#fff}