字母間距

h2 {
  /* adds a 1px space horizontally between each letter;
     also known as tracking */
  letter-spacing: 1px;
}

letter-spacing 屬性用於指定文字中字元之間的空格。

! 字母間距也支援負值:

p {
  letter-spacing: -1px;
}

資源: https : //developer.mozilla.org/en-US/docs/Web/CSS/letter-spacing