Answers for "input focus style none"

css remove border input focus

textarea:focus, input:focus{
    outline: none;
}

css focus outline none

*:focus {
    outline: none;
}

input outline focus

input:focus, textarea:focus {
    background-color: #FFFF66;
    border: 1px solid #F47E58;
}

select focus none

"&.Mui-focused .MuiOutlinedInput-notchedOutline": {
      border: "1px solid #484850",
      borderRadius: "5px 5px 0 0"
    },