Timeline news

Sure, here's the updated HTML and CSS code with a vertical line under the circle: HTML: ```html

MARCH 12, 2016

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MARCH 23, 2016

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``` CSS: ```css In the CSS, a new rule `.timeline::before` is added to create a vertical line using the `::before` pseudo-element. The line is positioned absolutely on the left side of the timeline, with a width of 4px and the same red color as the circles. The vertical line will now appear under the circles, connecting all the timeline items together.