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thanks

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design g_ps

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variables nesting mixins extends

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$header: #333; h1 { color: $header; }

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aside { float: right; p { font-size: 1.2em; } }

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@mixin border($color) { border: 1px solid $color; } aside { @include border(black); }

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@mixin border($color) { border: 1px solid $color; } aside { @include border(black); }

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@mixin border($color) { border: 1px solid $color; } aside { @include border(black); }

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codekit fire.app scout

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final 10% - deciding in the browser

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a different sort of less effort

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eyedropper responsive + ie sprite editing vertical rhythm

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color 16 / 84

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predictable + repeatable

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$color-link: #47b4d0; a { color: $color-link; }

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red() green() blue() mix() hue() saturation() lightness() adjust-hue() lighten() darken() saturate() desaturate() grayscale() complement() invert()

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red() green() blue() mix() hue() saturation() lightness() adjust-hue() lighten() darken() saturate() desaturate() grayscale() complement() invert()

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a { color: $color-link; &:hover, &:focus { color: lighten($color-link, 20%); } &:active { color: darken($color-link, 20%); } }

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a { color: $color-link; &:hover, &:focus { color: lighten($color-link, 20%); } &:active { color: darken($color-link, 20%); } }

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a { color: $color-link; &:hover, &:focus { color: lighten($color-link, 20%); } &:active { color: darken($color-link, 20%); } }

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$color-link: #47b4d0; a { color: $color-link; color: rgba(71,180,208,0.8); }

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$color-link: #47b4d0; a { color: $color-link; color: rgba($color-link,0.8); }

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insta-cascade

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responsive 29 / 84

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aside { background: #333; } @media (min-width: 700px) { aside { float: right; width: 30%; } }

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aside { background: #333; @media (min-width: 700px) { float: right; width: 30%; } }

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@mixin respond-to($x) { @media (min-width: $x) { @content; } } aside { background: #333; @include respond-to(700px) { float: right; width: 30%; } }

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@mixin respond-to($x) { @media (min-width: $x) { @content; } } aside { background: #333; @include respond-to(700px) { float: right; width: 30%; } }

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@mixin respond-to($x) { @media (min-width: $x) { @content; } } aside { background: #333; @include respond-to(700px) { float: right; width: 30%; } }

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ie < 9

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recreate functionality duplicate code

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aside { background: #333; @include respond-to(700px) { float: right; width: 30%; } .ie & { float: right; width: 30%; } }

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maintenance + collaboration

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@mixin respond-to($x) { @media (min-width: $x) { @content; } .ie & { @content; } }

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efficiency?

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compass 42 / 84

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reusable patterns

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.box { -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; }

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@import "compass"; .box { @include box-sizing(border-box); }

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sprites 46 / 84

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icons/search.png icons/search-active.png

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$icons: sprite-map("icons/*.png");

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icons-s3bf80e8870.png

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$icons: sprite-map("icons/*.png"); i { background: $icons; display: block; text-indent: -9999px; }

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.icn-search { @include sprite-dimensions($icons, search); background-position: sprite-position($icons, search); &:hover { background-position: sprite-position($icons, search-active); } }

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.icn-search { @include sprite-dimensions($icons, search); background-position: sprite-position($icons, search); &:hover { background-position: sprite-position($icons, search-active); } }

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.icn-search { @include sprite-dimensions($icons, search); background-position: sprite-position($icons, search); &:hover { background-position: sprite-position($icons, search-active); } }

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.icn-search { @include sprite-dimensions($icons, search); background-position: sprite-position($icons, search); &:hover { background-position: sprite-position($icons, search-active); } }

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Search

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retina?

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icons-hd/search.png icons-hd/search-active.png

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$icons: sprite-map("icons/*.png"); $icons-hd: sprite-map("icons-hd/*.png");

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i { background: $icons; display: block; text-indent: -9999px; @media (-webkit-min-device-pixel-ratio: 1.5) { @include background-size(100px 200px); background: $icons-hd; } }

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i { background: $icons; display: block; text-indent: -9999px; @media (-webkit-min-device-pixel-ratio: 1.5) { @include background-size(100px 200px); background: $icons-hd; } }

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i { background: $icons; display: block; text-indent: -9999px; @media (-webkit-min-device-pixel-ratio: 1.5) { @include background-size(100px 200px); background: $icons-hd; } }

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i { background: $icons; display: block; text-indent: -9999px; @media (-webkit-min-device-pixel-ratio: 1.5) { @include background-size(100px 200px); background: $icons-hd; } }

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.icn-search { @include sprite-dimensions($icons, search); background-position: sprite-position($icons, search); &:hover { background-position: sprite-position($icons, search-active); } }

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.icn-search { ... @media (-webkit-min-device-pixel-ratio: 1.5) { background-position: sprite-position($icons-hd, search); &:hover { background-position: sprite-position($icons-hd, search-active) } } }

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vertical rhythm 69 / 84

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$base-font-size: 16px; $base-line-height: 24px; @include establish-baseline;

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h1 { @include adjust-font-size-to(50px); } h2 { @include adjust-font-size-to(28px); } blockquote { @include adjust-font-size-to(20px); background: #ccc; }

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blockquote { @include adjust-font-size-to(20px); @include adjust-leading-to(2); background: #ccc; text-align: center; }

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p { @include leader(1); @include trailer(1); } h1 { @include adjust-font-size-to(50px); @include leader(1, 50px); @include trailer(1, 50px); }

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h1 { ... @include trailing-border(10px, 1, 50px); }

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not limited to text

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thanks!

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@nickawalsh