/**index.wxss**/
view {
  margin: 50rpx;
}

input {
  width: 600rpx;
  margin-top: 20rpx;
  border-bottom: 2rpx solid #ccc;
}

button {
  margin: 50rpx;
}

button {
  color: #fff;
  background: #369;
  letter-spacing: 12rpx;
}