pseudo selectors mui material ui
export const useStyles = makeStyles(theme=>({
span: props => ({
padding:50,
background: "rgba(255, 255, 255, .1)",
borderRadius: "50%",
position: "absolute",
"&:nth-child(1)": {
left: "-4%",
bottom: "auto",
background: "rgba(255, 255, 255, .1)"
},
....
}),