The placeholder pseudo-element

The placeholder pseudo-element sets styles for placeholder hint in the input or textarea tags.

Syntax

selector::placeholder {
	color: red;
}

Let's color the hint red:

<input type="text" placeholder="hint">

input::placeholder {
	color: red;
}

Let's color the hint red in the textarea tag:

<textarea placeholder="hint"></textarea>

textarea::placeholder {
	color: red;
}