The ::first-letter pseudo-element represents the first letter of an element, if it is not preceded by any other content (such as images or inline tables) on its line. The ::first-letter pseudo-element may be used for "initial caps" and "drop caps", which are common typographical effects.

::first-letter {
    css declarations;
}
p::first-letter {
   color: #3366ff;
   font-size:2em;
}

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