Images
Other Image Attributes
The width and height attributes
Try It: Try playing with the width
and height of your image.
These attributes let you set the height and width of your image
in pixels. You can specify
just width, just height, or both. If you just specify width, for example,
the image is displayed with a proportional height, that is, it is
not squished or stretched. If you set the
width and the
height, you can squish or stretch your images into different rectangular
shapes.
<img
src="flower.gif"
width="40" />
is displayed as:
<img
src="flower.gif"
height="25"
width="40" />
is displayed as:
Tip: You can specify the width of an image as a percentage of the space available.
Try It: Set the width of an image using a percentage and resize your browser window.
For the width attribute, you can also use
percentages,
where 100% is the total space available.
So, if you wanted an image to be one quarter the width of the window, you could set
width to 25% (one quarter of 100% is 25%). The height will be in proportion to
the width if you do not set it as well.
Try It: Set the width of an image using a percentage and resize your browser window.
<img
src="flower.gif"
width="20%" />
is displayed as:
Width and size for horizontal rules
Try It: Try playing with the width
and size of a horizontal rule.
You can also use the width attribute for
horizontal rules in just the same way
as you do for images. However, instead of using
height, you must use the
size attribute and specify the height
of the rule in pixels (the default is often 3).