next.js/test/development/basic/emotion-swc/fixture/shared/styles.js

import { css, Global, keyframes } from '@emotion/react'
import styled from '@emotion/styled'

export const globalStyles = (
  <Global
    styles={css`
      html,
      body {
        padding: 3rem 1rem;
        margin: 0;
        background: papayawhip;
        min-height: 100%;
        font-family: Helvetica, Arial, sans-serif;
        font-size: 24px;
      }
    `}
  />
)

export const basicStyles = css({
  backgroundColor: 'white',
  color: 'cornflowerblue',
  border: '1px solid lightgreen',
  borderRight: 'none',
  borderBottom: 'none',
  boxShadow: '5px 5px 0 0 lightgreen, 10px 10px 0 0 lightyellow',
  transition: 'all 0.1s linear',
  margin: '3rem 0',
  padding: '1rem 0.5rem',
})

export const hoverStyles = css`
  &:hover {
    color: white;
    background-color: lightgray;
    border-color: aqua;
    box-shadow:
      -15px -15px 0 0 aqua,
      -30px -30px 0 0 cornflowerblue;
  }
`
export const bounce = keyframes`
  from {
    transform: scale(1.01);
  }
  to {
    transform: scale(0.99);
  }
`

export const Basic = styled.div`
  ${basicStyles};
`

export const Combined = styled.div`
  ${basicStyles};
  ${hoverStyles};
  & code {
    background-color: linen;
  }
`

export const Pink = styled(Basic)({
  color: 'hotpink',
})

export const BasicExtended = styled(Basic)``

export const ComponentSelectorsExtended = styled.div`
  ${BasicExtended} {
    color: green;
  }
  box-shadow: -5px -5px 0 0 green;
`

export const Animated = styled.div`
  ${basicStyles};
  ${hoverStyles};
  & code {
    background-color: linen;
  }
  animation: ${({ animation }) => animation} 0.2s infinite ease-in-out alternate;
`