.w-comb { background-color: #e4e4e4; display: inline-block; position: relative;
} .w-comb-sub1, .w-comb-sub2 { background-color: #e4e4e4; position: absolute; width: inherit; height: inherit;
} .w-comb-sub1 { transform: rotate(-60deg);
} .w-comb-sub2 { transform: rotate(60deg);
}

.w-comb { clip-path: polygon( 0 25%, 50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75% );
}

// 传统方案
const RADICAL_3 = 1.7320508; const Comb = (props) => { const { className } = props; const width = props.size || 80; const height = Math.ceil(width / RADICAL_3); return ( <div className={`w-comb ${className}`} style={{ width, height, }}>
      <div className={'w-comb-sub1'}></div>
      <div className={'w-comb-sub2'}></div>
    </div> ) }

// clip-path
const RADICAL_3 = 1.7320508; 
const Comb = (props) => {
                           const { className } = props;
                           const width = props.size || 80; const height = 2 * Math.ceil(width / RADICAL_3); 
                           return ( <div className={`w-comb-test ${className}`} style={{ width, height, }}></div>) 
			 }