Pseudoclass optional

optional pseudoclass'i required atributi berilmagan input'ga uslub belgilaydi, ya'ni bu pseudoclass majburiy bo'lmagan input'lar uchun qo'llaniladi.

Sintaksis

cssselector:optional {

}

Misol

Keling, majburiy bo'lmagan input'ga kulrang fon beramiz:

html<form>
  <p>
    <label>Raqam kiriting</label>
    <input type="number" required>
  </p>
  <p>
    <label>Matn kiriting</label>
    <input type="text">
  </p>
</form>

cssinput:optional {
  background-color: #D8DFE8;
}

Результат:

Shuningdek qarang