.el-backtop{--el-backtop-bg-color:var(--el-bg-color-overlay);--el-backtop-text-color:var(--el-color-primary);--el-backtop-hover-bg-color:var(--el-border-color-extra-light);background-color:var(--el-backtop-bg-color);box-shadow:var(--el-box-shadow-lighter);color:var(--el-backtop-text-color);cursor:pointer;z-index:5;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-size:20px;display:flex;position:fixed}.el-backtop:hover{background-color:var(--el-backtop-hover-bg-color)}.el-backtop__icon{font-size:20px}