initial-letter

/* Keyword values */
initial-letter: normal;

/* Numeric values */
initial-letter: 1.5;    /* Initial letter occupies 1.5 lines */
initial-letter: 3.0;    /* Initial letter occupies 3 lines */
initial-letter: 3.0 2;  /* Initial letter occupies 3 lines and
                           sinks 2 lines */

/* Global values */
initial-letter: inherit;
initial-letter: initial;
initial-letter: revert;
initial-letter: unset;

<p class="normal">Initial letter is normal</p>
<p class="onefive">Initial letter occupies 1.5 lines</p>
<p class="three">Initial letter occupies 3 lines</p>

.normal {
  -webkit-initial-letter: normal;
  initial-letter: normal;
}

.onefive {
  -webkit-initial-letter: 1.5;
  initial-letter: 1.5;
}

.three {
  -webkit-initial-letter: 3.0;
  initial-letter: 3.0;
}