两个按钮button之间的间隔设为0
两个button标签不要换行写
正确写法:
<button>111</button><button >222</button>
错误写法:
<button >111</button>
<button>222</button>
两个button标签不要换行写
正确写法:
<button>111</button><button >222</button>
错误写法:
<button >111</button>
<button>222</button>