.form-group {
    border: 1px solid #ced4da;
    padding: 5px;
    border-radius: 6px;
    width: auto;
}

    .form-group:focus {
        color: #212529;
        background-color: #fff;
        border-color: #86b7fe;
        outline: 0;
        box-shadow: 0 0 0 0.25rem rgb(13 110 253 / 25%);
    }

    .form-group input {
        display: inline-block;
        width: auto;
        border: none;
    }

        .form-group input:focus {
            box-shadow: none;
        }