html iOS端去除Input的边框样式和阴影

input{
  outline-color: invert ;
  outline-style: none ;
  outline-width: 0px ;
  border: none ;
  border-style: none ;
  text-shadow: none ;
  -webkit-appearance: none ;
  -webkit-user-select: text ;
  outline-color: transparent ;
  box-shadow: none;
}