@arco-design/web-react/es/BackTop/style/index.css

Arco Design React UI Library.

.arco-backtop{position:fixed;bottom:24px;right:24px;z-index:100;cursor:pointer}.arco-backtop-button{width:40px;height:40px;font-size:12px;text-align:center;outline:0;background-color:rgb(var(--primary-6));border-radius:var(--border-radius-circle);color:var(--color-white);transition:all .2s cubic-bezier(0,0,1,1);cursor:pointer;border:none}.arco-backtop-button:focus-visible{box-shadow:0 0 0 2px var(--color-primary-light-3)}.arco-backtop-button:hover{background-color:rgb(var(--primary-5))}.arco-backtop-button svg{font-size:14px}