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CSS3 & SASS CSS STUDY GROUP WITH COMPASS
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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
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selector { -prefix-property: value; selector { @include mixin($arg: 3); } }
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CSS 3
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CSS LEVEL 3 MEDIA QUERIES
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/* small-screen styles */ .header { width: 100%; } @media (min-width: 481px) { /* large-screen styles */ .header { width: 50%; } }
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@media (min-width: 481px) { .header { width: 50%; } } LOGICAL IF
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@media (min-width: 481px) and (max-width: 1280px) { .header { width: 50%; } } LOGICAL AND
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@media (min-width: 481px), (max-width: 1280px) { .header { width: 50%; } } LOGICAL OR
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@media not all and (min-width: 481px) { .header { width: 50%; } } LOGICAL NOT
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CSS LEVEL 3 VENDOR PREFIXES
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.button, button { border-radius: 3px; }
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.button, button { border-radius: 3px; -ms-border-radius: 3px; -moz-border-radius: 3px; -webkit-border-radius: 3px; }
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.button, button { border-radius: 3px; -ms-border-radius: 3px; -moz-border-radius: 3px; -webkit-border-radius: 3px; }
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CSS LEVEL 3 MODULES
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CSS 3 BACKGROUNDS
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CSS 3 BACKGROUNDS
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CSS 3 BACKGROUNDS
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CSS 3 FONTS Web-safe Fonts
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CSS 3 FONTS Awesome Fonts! @font-face { font-family: 'Jazz'; src: url('jazz.woff') format('woff') }
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CSS 3 BORDER-RADIUS
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CSS 3 BOX-SHADOW
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CSS 3 OPACITY
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SASS
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SASSY CSS NESTING
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NESTING BASICS .foo { color: blue; .bar { color: red; } } .foo { color: blue; } .foo .bar { color: red; }
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NESTED PARENT SELECTOR .foo { color: blue; &:hover { color: red; } } .foo { color: blue; } .foo:hover { color: red; }
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NESTED PARENT SELECTOR .foo { color: blue; .baz & { color: red; } } .foo { color: blue; } .baz .foo { color: red; }
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NESTED @AT-ROOT .foo { color: blue; @at-root .bar { color: red; } } .foo { color: blue; } .bar { color: red; }
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NESTED MEDIA QUERIES .foo { color: blue; @media (screen) { color: red; } } .foo { color: blue; } @media (screen) { .foo { color: red; } }
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SASSY CSS VARIABLES
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VARIABLES $red: #f01903; .foo { color: $red; } .bar { background: $red; } .foo { color: #f01903; } .bar { background: #f01903; }
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VARIABLE SCOPE $red: #f01903; .foo { $red: #a12014; color: $red; } .bar { background: $red; } .foo { color: #a12014; } .bar { background: #f01903; }
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VARIABLE DEFAULT $red: #f01903; .foo { $red: #a12014 !default; color: $red; } .bar { background: $red; } .foo { color: #f01903; } .bar { background: #f01903; }
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SASSY CSS @EXTEND
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@EXTEND .foo { color: red; } .bar { @extend .foo; } .foo, .bar { color: red; }
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@EXTEND EVERYWHERE .foo { color: red; &:hover { border: 0 } } .bar { @extend .foo; } .foo, .bar { color: red; } .foo:hover, .bar:hover { border: 0; }
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SASSY CSS @IMPORT
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@IMPORT @import "bar"; .foo { color: red; } .bar { color: blue; } .bar { color: blue; } .foo { color: red; } _bar.scss foo.scss foo.css
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@IMPORT foo.scss _bar.scss foo.css
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SASSY CSS MIX-INS
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USING MIX-INS .foo { @include button(3px); } .foo { border-radius: 3px; display: inline-block; /* etc. */ }
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CREATING MIX-INS @mixin button($radius) { border-radius: $radius; display: inline-block; /* etc. */ }
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DEFAULT ARGUMENTS @mixin button($radius: 3px) { border-radius: $radius; display: inline-block; /* etc. */ } .button { @include button } .round { @include button(8px) } .button { border-radius: 3px; display: inline-block; /* etc. */ } .round { border-radius: 8px; display: inline-block; /* etc. */ }
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NAMED ARGUMENTS @mixin foo($a, $b) { /* stuff */ } .bar { @include foo($b: 1); } .baz { @include foo($b: 1, $a: 2); } .bar { /* stuff */ } .baz { /* stuff */ }
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SASSY CSS SASS SCRIPT
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NESTING BASICS "string #{$interpolation}" 10 * 10 <= 150 // true @if (true) { /* stuff */ } @else if { /* other stuff */ } @else { /* more stuff */ }
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COMPASS
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COMPASS STYLE CSS 3
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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; }
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CSS3 PREFIX MIX-INS Animation Appearance Background Size Box Shadow Box Sizing Font Face Filter Opacity Transform Transition Text Shadow Columns
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COMPASS STYLE HELPERS
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CSS3 PREFIX MIX-INS .foo { background: image-url('a.png'); } .foo { background: url('// media.secondstreet.com/ StaticContent/images/a.png'); }
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COMPASS UTILITIES Saturation Lightness Color Stops Prefixes Inline Images Font Face √ Tint sin/cos/tan Enumerate Image URL Font Files
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