CSS Study Group 2

Transcript

1. CSS3 & SASS CSS STUDY GROUP WITH COMPASS
2. Kerrick Long Things I make and do Where to find me online meetup.com/STLEmber Lead Front-end Developer at Second Street www. .com twitter.com/KerrickLong github.com/Kerrick
3. selector { -prefix-property: value; selector { @include mixin($arg: 3); } }
4. CSS 3
5. CSS LEVEL 3 MEDIA QUERIES
8. /* small-screen styles */ .header { width: 100%; } @media (min-width: 481px) { /* large-screen styles */ .header { width: 50%; } }
9. @media (min-width: 481px) { .header { width: 50%; } } LOGICAL IF
10. @media (min-width: 481px) and (max-width: 1280px) { .header { width: 50%; } } LOGICAL AND
11. @media (min-width: 481px), (max-width: 1280px) { .header { width: 50%; } } LOGICAL OR
12. @media not all and (min-width: 481px) { .header { width: 50%; } } LOGICAL NOT
13. CSS LEVEL 3 VENDOR PREFIXES
16. .button, button { border-radius: 3px; }
17. .button, button { border-radius: 3px; -ms-border-radius: 3px; -moz-border-radius: 3px; -webkit-border-radius: 3px; }
18. .button, button { border-radius: 3px; -ms-border-radius: 3px; -moz-border-radius: 3px; -webkit-border-radius: 3px; }
19. CSS LEVEL 3 MODULES
20. CSS 3 BACKGROUNDS
21. CSS 3 BACKGROUNDS
22. CSS 3 BACKGROUNDS
23. CSS 3 FONTS Web-safe Fonts
24. CSS 3 FONTS Awesome Fonts! @font-face { font-family: 'Jazz'; src: url('jazz.woff') format('woff') }
25. CSS 3 BORDER-RADIUS
26. CSS 3 BOX-SHADOW
27. CSS 3 OPACITY
28. SASS
29. SASSY CSS NESTING
30. NESTING BASICS .foo { color: blue; .bar { color: red; } } .foo { color: blue; } .foo .bar { color: red; }
31. NESTED PARENT SELECTOR .foo { color: blue; &:hover { color: red; } } .foo { color: blue; } .foo:hover { color: red; }
32. NESTED PARENT SELECTOR .foo { color: blue; .baz & { color: red; } } .foo { color: blue; } .baz .foo { color: red; }
33. NESTED @AT-ROOT .foo { color: blue; @at-root .bar { color: red; } } .foo { color: blue; } .bar { color: red; }
34. NESTED MEDIA QUERIES .foo { color: blue; @media (screen) { color: red; } } .foo { color: blue; } @media (screen) { .foo { color: red; } }
35. SASSY CSS VARIABLES
36. VARIABLES $red: #f01903; .foo { color: $red; } .bar { background: $red; } .foo { color: #f01903; } .bar { background: #f01903; }
37. VARIABLE SCOPE $red: #f01903; .foo { $red: #a12014; color: $red; } .bar { background: $red; } .foo { color: #a12014; } .bar { background: #f01903; }
38. VARIABLE DEFAULT $red: #f01903; .foo { $red: #a12014 !default; color: $red; } .bar { background: $red; } .foo { color: #f01903; } .bar { background: #f01903; }
39. SASSY CSS @EXTEND
40. @EXTEND .foo { color: red; } .bar { @extend .foo; } .foo, .bar { color: red; }
41. @EXTEND EVERYWHERE .foo { color: red; &:hover { border: 0 } } .bar { @extend .foo; } .foo, .bar { color: red; } .foo:hover, .bar:hover { border: 0; }
42. SASSY CSS @IMPORT
43. @IMPORT @import "bar"; .foo { color: red; } .bar { color: blue; } .bar { color: blue; } .foo { color: red; } _bar.scss foo.scss foo.css
44. @IMPORT foo.scss _bar.scss foo.css
45. SASSY CSS MIX-INS
46. USING MIX-INS .foo { @include button(3px); } .foo { border-radius: 3px; display: inline-block; /* etc. */ }
47. CREATING MIX-INS @mixin button($radius) { border-radius: $radius; display: inline-block; /* etc. */ }
48. DEFAULT ARGUMENTS @mixin button($radius: 3px) { border-radius: $radius; display: inline-block; /* etc. */ } .button { @include button } .round { @include button(8px) } .button { border-radius: 3px; display: inline-block; /* etc. */ } .round { border-radius: 8px; display: inline-block; /* etc. */ }
49. NAMED ARGUMENTS @mixin foo($a, $b) { /* stuff */ } .bar { @include foo($b: 1); } .baz { @include foo($b: 1, $a: 2); } .bar { /* stuff */ } .baz { /* stuff */ }
50. SASSY CSS SASS SCRIPT
51. NESTING BASICS "string #{$interpolation}" 10 * 10 <= 150 // true @if (true) { /* stuff */ } @else if { /* other stuff */ } @else { /* more stuff */ }
52. COMPASS
53. COMPASS STYLE CSS 3
54. CSS3 PREFIX MIX-INS @import "compass/css3"; .foo { @include border-radius(3px); } .foo { border-radius: 3px; -o-border-radius: 3px; -ms-border-radius: 3px; -moz-border-radius: 3px; -webkit-border-radius: 3px; }
55. CSS3 PREFIX MIX-INS Animation Appearance Background Size Box Shadow Box Sizing Font Face Filter Opacity Transform Transition Text Shadow Columns
56. COMPASS STYLE HELPERS
57. CSS3 PREFIX MIX-INS .foo { background: image-url('a.png'); } .foo { background: url('// media.secondstreet.com/ StaticContent/images/a.png'); }
58. COMPASS UTILITIES Saturation Lightness Color Stops Prefixes Inline Images Font Face √ Tint sin/cos/tan Enumerate Image URL Font Files