HTML and CSS Reference
In-Depth Information
The HTML <style> tag belongs within the <head></head> tags. The is the start of
an embedded CSS.
A rule is defined for the HTML body element. The background color of the docu-
ment will be light blue.
A rule is defined for the HTML p (paragraph) element. The left and right margins
are set at 20%, meaning that they will be moved inward 20% from their respective
edges. They will be surrounded by a grooved border, with the text given a 15-pixel
size padding. The font is Times or Arial (whichever works on your browser),
point size 150% bigger than its default, and weight 900 is the boldest of the bold.
A rule is defined for a group of selectors (heading levels h1 , h2 , and h3 ). They will
be centered on the page, and the text will be white against a blue bordered back-
ground in a Courier or Arial font.
The rule for the < h2> and <h3> tags sets the font size to 24 points.
A rule is defined for an em element. Text will be green and bold.
This marks the end of the HTML header that encloses the style sheet.
As shown in the output (see Figure 14.11), the heading level is displayed accord-
ing to the style defined in the style sheet, line 4.
This paragraph is displayed according to the rule set in the style sheet, line 3. No-
tice how both the left and right margins have moved toward the center.
The heading level is displayed according to the rule set in the style sheet, lines 4
and 5, and the first paragraph is indented.
The <em> tag is embedded within the <p> tag. It inherits from the <p> tag every-
thing but the font color and weight. These paragraph properties were overridden
in the style sheet defined on line 6 for the em element.
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