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CSS Study Group 2
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Kerrick Long
October 30, 2014
Programming
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1.1k
CSS Study Group 2
Kerrick Long
October 30, 2014
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Transcript
CSS3 & SASS CSS STUDY GROUP WITH COMPASS
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
selector { -prefix-property: value; selector { @include mixin($arg: 3); }
}
CSS 3
CSS LEVEL 3 MEDIA QUERIES
None
None
/* small-screen styles */ .header { width: 100%; } @media
(min-width: 481px) { /* large-screen styles */ .header { width: 50%; } }
@media (min-width: 481px) { .header { width: 50%; } }
LOGICAL IF
@media (min-width: 481px) and (max-width: 1280px) { .header { width:
50%; } } LOGICAL AND
@media (min-width: 481px), (max-width: 1280px) { .header { width: 50%;
} } LOGICAL OR
@media not all and (min-width: 481px) { .header { width:
50%; } } LOGICAL NOT
CSS LEVEL 3 VENDOR PREFIXES
None
None
.button, button { border-radius: 3px; }
.button, button { border-radius: 3px; -ms-border-radius: 3px; -moz-border-radius: 3px; -webkit-border-radius:
3px; }
.button, button { border-radius: 3px; -ms-border-radius: 3px; -moz-border-radius: 3px; -webkit-border-radius:
3px; }
CSS LEVEL 3 MODULES
CSS 3 BACKGROUNDS
CSS 3 BACKGROUNDS
CSS 3 BACKGROUNDS
CSS 3 FONTS Web-safe Fonts
CSS 3 FONTS Awesome Fonts! @font-face { font-family: 'Jazz'; src:
url('jazz.woff') format('woff') }
CSS 3 BORDER-RADIUS
CSS 3 BOX-SHADOW
CSS 3 OPACITY
SASS
SASSY CSS NESTING
NESTING BASICS .foo { color: blue; .bar { color: red;
} } .foo { color: blue; } .foo .bar { color: red; }
NESTED PARENT SELECTOR .foo { color: blue; &:hover { color:
red; } } .foo { color: blue; } .foo:hover { color: red; }
NESTED PARENT SELECTOR .foo { color: blue; .baz & {
color: red; } } .foo { color: blue; } .baz .foo { color: red; }
NESTED @AT-ROOT .foo { color: blue; @at-root .bar { color:
red; } } .foo { color: blue; } .bar { color: red; }
NESTED MEDIA QUERIES .foo { color: blue; @media (screen) {
color: red; } } .foo { color: blue; } @media (screen) { .foo { color: red; } }
SASSY CSS VARIABLES
VARIABLES $red: #f01903; .foo { color: $red; } .bar {
background: $red; } .foo { color: #f01903; } .bar { background: #f01903; }
VARIABLE SCOPE $red: #f01903; .foo { $red: #a12014; color: $red;
} .bar { background: $red; } .foo { color: #a12014; } .bar { background: #f01903; }
VARIABLE DEFAULT $red: #f01903; .foo { $red: #a12014 !default; color:
$red; } .bar { background: $red; } .foo { color: #f01903; } .bar { background: #f01903; }
SASSY CSS @EXTEND
@EXTEND .foo { color: red; } .bar { @extend .foo;
} .foo, .bar { color: red; }
@EXTEND EVERYWHERE .foo { color: red; &:hover { border: 0
} } .bar { @extend .foo; } .foo, .bar { color: red; } .foo:hover, .bar:hover { border: 0; }
SASSY CSS @IMPORT
@IMPORT @import "bar"; .foo { color: red; } .bar {
color: blue; } .bar { color: blue; } .foo { color: red; } _bar.scss foo.scss foo.css
@IMPORT foo.scss _bar.scss foo.css
SASSY CSS MIX-INS
USING MIX-INS .foo { @include button(3px); } .foo { border-radius:
3px; display: inline-block; /* etc. */ }
CREATING MIX-INS @mixin button($radius) { border-radius: $radius; display: inline-block; /*
etc. */ }
DEFAULT ARGUMENTS @mixin button($radius: 3px) { border-radius: $radius; display: inline-block;
/* etc. */ } .button { @include button } .round { @include button(8px) } .button { border-radius: 3px; display: inline-block; /* etc. */ } .round { border-radius: 8px; display: inline-block; /* etc. */ }
NAMED ARGUMENTS @mixin foo($a, $b) { /* stuff */ }
.bar { @include foo($b: 1); } .baz { @include foo($b: 1, $a: 2); } .bar { /* stuff */ } .baz { /* stuff */ }
SASSY CSS SASS SCRIPT
NESTING BASICS "string #{$interpolation}" 10 * 10 <= 150 //
true @if (true) { /* stuff */ } @else if { /* other stuff */ } @else { /* more stuff */ }
COMPASS
COMPASS STYLE CSS 3
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; }
CSS3 PREFIX MIX-INS Animation Appearance Background Size Box Shadow Box
Sizing Font Face Filter Opacity Transform Transition Text Shadow Columns
COMPASS STYLE HELPERS
CSS3 PREFIX MIX-INS .foo { background: image-url('a.png'); } .foo {
background: url('// media.secondstreet.com/ StaticContent/images/a.png'); }
COMPASS UTILITIES Saturation Lightness Color Stops Prefixes Inline Images Font
Face √ Tint sin/cos/tan Enumerate Image URL Font Files
None