小程序重置button样式

button{
   margin:0;
   padding:0;
   background-color:#ffffff;
   line-height:inherit;
   height:100rpx;
   border-radius:0;
   border:none;
   font-size:60rpx;
   display:flex;
   justify-content:center;
   align-items:center;
}
button::after{
   border: none;
}