CSS first line Pseudo element
The ::first-line pseudo-element works similarly to ::first-letter, but affects the entire first line of an element. For example, the first line of every paragraph could have larger text and a different color from the rest of the paragraph
Allowable properties:
All font-related properties
All background-related properties
The color property
word-spacing, letter-spacing, text-decoration, text-transform, and line-height
text-shadow, text-decoration, text-decoration-color, text-decoration-line, text-decoration-style, and vertical-align.