.ct-back-to-top{position:fixed;z-index:100;bottom:calc(var(--frame-size, 0px) + var(--back-top-bottom-offset, 25px));display:flex;align-items:center;justify-content:center;padding:12px;opacity:var(--opacity,0);visibility:var(--visibility,hidden);transform:var(--transform,translate3d(0,15px,0));background:var(--top-button-background-color,var(--paletteColor3));box-shadow:var(--box-shadow);border-radius:var(--border-radius,2px);transition:opacity .3s ease , color .3s ease , background .3s ease , transform .3s ease , visibility .3s ease;--icon-size:12px}.ct-back-to-top:hover{background:var(--top-button-background-hover-color,var(--paletteColor4))}.ct-back-to-top:hover .ct-icon{fill:var(--icon-hover-color,var(--paletteColor2))}.ct-back-to-top.ct-show{--opacity:1;--visibility:visible;--transform:translate3d(0,0,0)}.ct-back-to-top[data-shape="circle"]{--border-radius:100%}.ct-back-to-top[data-alignment="left"]{left:calc(var(--frame-size, 0px) + var(--back-top-side-offset, 25px))}.ct-back-to-top[data-alignment="right"]{right:calc(var(--frame-size, 0px) + var(--back-top-side-offset, 25px))}