小程序 去掉默认button样式

.button{
    color: #0A84FF !important;
    font-size: 28rpx;
    padding: 0;
    background-color: #fff !important;
    margin: 0;
    border-radius: 0;
    display: inline-block !important;
    line-height: normal !important;
}
 
button::after{
    border: none;
}