.scroll-to-top{width:40px;height:40px;position:fixed;right:32px;bottom:64px;z-index:999;display:flex;align-items:center;justify-content:center;box-sizing:border-box;background-color:#18936f;color:#fff;border-color:#e5e7eb;border-radius:6px;box-shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);transition-duration:.3s;transition-property:color,background-color;transition-timing-function:cubic-bezier(.4,0,.2,1)}.scroll-to-top:hover{background:#146c52}.scroll-to-top span{box-sizing:border-box;width:12px;height:12px;margin-top:6px;border-left:1px solid #fff;border-top:1px solid #fff;transform:matrix(.707107,.707107,-.707107,.707107,0,0)}@media(max-width:640px){.scroll-to-top{right:1.8rem;bottom:4rem}}