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Font style and font weight

From: CSS: Core Concepts

Video: Font style and font weight

Now that we've taken a look at declaring font families and font sizes, I want to take a moment to talk about font style and font weight. You may know that better as bold and italic, but it's typically what the font-style and font-weight property allow us to do. Although just like everything else in CSS, there are a few details that you need to know about these. So I've opened up the font-weight.htm file and you can find that in the 04_04 folder. Again, not a whole lot going on here in terms of structure either.

Font style and font weight

Now that we've taken a look at declaring font families and font sizes, I want to take a moment to talk about font style and font weight. You may know that better as bold and italic, but it's typically what the font-style and font-weight property allow us to do. Although just like everything else in CSS, there are a few details that you need to know about these. So I've opened up the font-weight.htm file and you can find that in the 04_04 folder. Again, not a whole lot going on here in terms of structure either.

We have a heading 1 followed by a paragraph followed by heading 2 followed by another paragraph and inside this last paragraph, we have some text inside of the span tag that we're going to use as it says to practice italicizing the text. Now here is what I want to do. I want to initially go down and just create a brand new rule right here for the span tag and inside that, we're going to use the property, font-style: Now font-style has a couple of different keywords that you can use and Aptana is being very nice because it's actually showing you those formats.

So that's really nice. Inherit basically is a keyword that you can use a lot on several properties and if you use inherit, it's basically saying hey, go out to the parent element, find out what its value is and inherit that. And that's very common on almost all properties. So really, the keywords we're focusing on are italic, normal, and oblique. Italic is saying use the italic version of this font if you have one, normal is saying don't italicize this text and then oblique is saying I want you to use the oblique version of the font.

Now there is a little bit of a difference between oblique and italic. Oblique is basically telling the browser to skew the text by certain amount and it's very helpful for when there is no italic version of the font. Italic is saying hey, I would prefer you, instead of skewing the text, I'd prefer you go out and actually use the italic or oblique version of the font. That's why you're going to see almost 90 % of the time people using italic when they want to italicize their text so that is what we're going to do. So we're going to say italic, we're going to save that, and I'm just going to go ahead and preview that in one of my browsers. And indeed I can see you right here, inside the span tag, the text is indeed italicized.

You know there is not really a lot going on with font-style but font-weight has a few more options that we need to take a closer look at. So I'm going to go back into my code and what I'm going to do is I'm going to go up to this h2 selector. This is going to be targeting this heading 2 right down here and just below that, I'm going to type in font-weight. Now the values that I have for font- weight and Aptana is kind of helping me out here, notice that I do have some numeric values and they go from 100 all the way up to 900 and that's actually what's considered to be, it's called the darkness value of the font, which is kind of weird, but essentially, it is the boldness of the font going from 100, which would be the lightest, all the way to 900 which would be the boldest or darkest, if you will.

But we also have some keywords here too. We have bold, bolder, lighter, normal and of course, inherit, which is pretty much around all the time. Most of the time when you see this, you're just going to see somebody come in and say bold or normal. So if I say bold and I test this, I don't really see any change because heading 2s are by there default bold. So if I come in and said and say no, no, no I want normal and if I save and test this, I can see that now that heading 2 is no longer bolded.

Now you might be wondering about some of those other values. Remember we had bolder, we had lighter. In a lot of cases, you'll have a font that has several different versions of that font and some might have a light version of it or regular version or bold version or even a bolder or black version of the font. So in that case, if you have several different families of the font within that, those values can sort of help you utilize that. Let me show you what I mean. I'm going to go into my heading 2 here and I'm going to change the font family for this.

What I'm going to do is I'm going to use a font that I know is installed on this system and that I know has multiple families and this is installed on most Macs. So if you're on a Mac with me, you can use this. If you're on a PC or if you're on some other system, I would recommend going out to your fonts wherever they're installed, looking through them, and finding a font family that has a light version, a regular version maybe even a medium and a bold version so that you can try this along with us. All right. So what I'm going to do is I'm just going to declare the font, Avenir LT STD So let's go ahead and choose that.

That's a font that has several different families, some of them are light, some of them are bold, and we're going to sort of compare the different weights against each other. So if I come in and I say lighter and I save this page and let's test this in a browser. And when I do that, I can see that I'm using a very light version of the Avenir font. If I chose normal and saved it and refreshed it, you can see that that gains a little bit of weight that's the regular version of it and if I say bolder and save that, I get a much bolder darker version of that.

Now this works just the same way. If I say bold, for example, and save this and test it, you can see no real change to the weight, but it works the same way for these numeric values. So anything from about, say, 100 to 400, I mean you'd have to have a really, really complex font for 100, 200, 300, 400 to work. You're really usually looking at three variants if you have them and anything from, say, 100 to almost 400 is going to give you that lighter version. Anything in the 400-600 range is going to give you the medium or regular version and anything at 700 above is typically going to give you the bold version.

So if I say font-weight: 100 and save that, you can see that it's going to go back to that lighter version. If I come up and say font-weight, say, 400 and save and test that, it's going to give me the medium version and if I come up and say 700 all the way up to 900 and save and test that, it's going to give me the bold version. So the numeric values can work for you when you have a font family that has those different variants of the font itself. That means that the font that you're controlling has a lot to do with the capabilities of font weight and even font style because if the file does not have an italic version, it's going to oblique the font for you within the browser.

So those two properties are really, really straight forward but remember that you can gain even greater control over what you can do with them if you know the properties of the font family that you're working with.

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This video is part of

Image for CSS: Core Concepts
CSS: Core Concepts

81 video lessons · 40693 viewers

James Williamson
Author

 
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  1. 4m 57s
    1. Welcome
      55s
    2. Using the exercise files
      4m 2s
  2. 1h 7m
    1. Exploring default styling
      4m 56s
    2. CSS authoring tools
      2m 29s
    3. CSS syntax
      4m 45s
    4. Writing a selector
      4m 10s
    5. Setting properties
      8m 40s
    6. Common units of measurement
      7m 47s
    7. Inline styles
      5m 1s
    8. Embedded styles
      5m 19s
    9. Using external style sheets
      10m 34s
    10. Checking for browser support
      8m 48s
    11. Dealing with browser inconsistencies
      5m 30s
  3. 2h 15m
    1. Structuring HTML correctly
      2m 51s
    2. Element selectors
      4m 52s
    3. Class selectors
      6m 4s
    4. ID selectors
      3m 27s
    5. Using classes and IDs
      10m 7s
    6. Element-specific selectors
      4m 35s
    7. The universal selector
      5m 42s
    8. Grouping selectors
      4m 49s
    9. Descendent selectors
      7m 32s
    10. Child selectors
      5m 7s
    11. Adjacent selectors
      5m 30s
    12. Attribute selectors
      12m 43s
    13. Pseudo-class selectors
      3m 54s
    14. Dynamic pseudo-class selectors
      8m 29s
    15. Structural pseudo-class selectors
      6m 45s
    16. Nth-child selectors
      13m 10s
    17. Pseudo-element selectors
      12m 40s
    18. Targeting page content: Lab
      8m 56s
    19. Targeting page content: Solution
      7m 59s
  4. 42m 39s
    1. What happens when styles conflict?
      4m 0s
    2. Understanding the cascade
      5m 47s
    3. Using inheritance
      6m 11s
    4. Selector specificity
      6m 55s
    5. The !important declaration
      4m 5s
    6. Reducing conflicts through planning
      3m 33s
    7. Resolving conflicts: Lab
      6m 45s
    8. Resolving conflicts: Solution
      5m 23s
  5. 1h 47m
    1. Setting a font family
      7m 10s
    2. Using @font-face
      9m 18s
    3. Setting font size
      7m 35s
    4. Font style and font weight
      6m 52s
    5. Transforming text
      3m 58s
    6. Using text variants
      2m 49s
    7. Text decoration options
      4m 26s
    8. Setting text color
      3m 2s
    9. Writing font shorthand notation
      8m 49s
    10. Controlling text alignment
      6m 33s
    11. Letter and word spacing
      9m 11s
    12. Indenting text
      4m 30s
    13. Adjusting paragraph line height
      10m 30s
    14. Controlling the space between elements
      6m 41s
    15. Basic text formatting: Lab
      8m 45s
    16. Basic text formatting: Solution
      7m 14s
  6. 2h 1m
    1. Understanding the box model
      16m 53s
    2. Controlling element spacing
      14m 29s
    3. Controlling interior spacing
      10m 49s
    4. Margin and padding shorthand notation
      6m 27s
    5. Adding borders
      8m 57s
    6. Defining element size
      10m 7s
    7. Creating rounded corners
      6m 58s
    8. Background properties
      2m 51s
    9. Using background images
      5m 10s
    10. Controlling image positioning
      10m 25s
    11. Using multiple backgrounds
      7m 5s
    12. Background shorthand notation
      5m 25s
    13. Styling container elements: Lab
      7m 55s
    14. Styling container elements: Solution
      8m 17s
  7. 47m 51s
    1. Color keyword definitions
      5m 4s
    2. Understanding hexadecimal notation
      6m 5s
    3. Using RGB values
      4m 58s
    4. Using HSL values
      5m 17s
    5. Working with opacity
      2m 23s
    6. Using RGBa and HSLa
      3m 8s
    7. Styling drop shadows
      5m 38s
    8. CSS gradients
      6m 32s
    9. Working with color: Lab
      4m 26s
    10. Working with color: Solution
      4m 20s
  8. 1m 58s
    1. Additional resources
      1m 58s

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