.bose-backToTop__button{line-height:1em;background-image:url("../image/GD_iconset.svg");background-repeat:no-repeat;background-size:105em 125em;width:2em;height:2em;font-size:22.5px;background-position:-2em -122em;position:fixed;right:20px;bottom:20px;z-index:100001;display:none}.bose-backToTop__waypoint{position:absolute;display:none;visibility:hidden}