HTML and CSS Reference
been realized only in the past several years. Many web designers are using the PNG to create gradi-
ents like the one shown in Figure 10-3.
You'll need a graphics program to work with your web graphics, and you have
a great many to choose from. Perhaps the most popular are two from the same
company: Adobe Photoshop and Adobe Fireworks. Both are capable of produc-
ing optimized web graphics and both have their adherents. Photoshop is legend-
ary for photographic manipulation and Fireworks excels at combining vector
and bit-mapped graphics.
inserTinG ForeGround iMaGes
As noted earlier, every image used on an HTML page is a separate file. To incorporate these files
into your source code, you use the <img> tag:
<img src=”images/logo.gif” width=”400” height=”175” alt=”MyCompany logo” />
The <img> tag is a single or empty HTML tag, which means no closing tag is required. The primary
attribute of an <img> tag is src , short for source. The src value contains the path to the desired
graphic file. As with links, the path can be either relative to the current page, like the preceding