.smooth-back-to-top-button {   position:fixed;   display:flex;   align-items:center;   justify-content:center;   cursor:pointer;   z-index:10000;   opacity:0;   visibility:hidden;   transform:translateY(15px);   transition:all 200ms linear;   overflow:visible; } .smooth-back-to-top-button.active-progress {   opacity:1;   visibility:visible;   transform:translateY(0); } .smooth-back-to-top-button::after {   top:0;   left:0;   z-index:1;   text-align:center;   position:absolute;   font-family:'wpxpress';   transition:all 200ms linear; } .smooth-back-to-top-button svg path, .smooth-back-to-top-button svg rect {   fill:none; } .smooth-back-to-top-button svg.progress-circle {   position:absolute;   top:0;   left:0;   width:100%;   height:100%;   z-index:1; } .smooth-back-to-top-button svg.progress-circle path, .smooth-back-to-top-button svg.progress-circle rect {   box-sizing:border-box;   transition:all 200ms linear; }