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Layout Workshop
Jen Simmons
June 2016
Internet: MSFTOPEN … no password
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Hello
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Multicolumn
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No content
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article {
max-width: 500px;
margin: 0 auto;
}
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article {
column-count: 2;
column-gap: 2em;
}
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No content
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article {
// column-count: 2;
column-width: 200px;
column-gap: 2em;
}
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No content
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img {
width: 100%;
}
article {
column-width: 200px;
column-gap: 2em;
column-rule:
1px solid #444;
}
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CSS Shapes
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labs.jensimmons.com
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img {
float: left;
shape-outside: circle();
}
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Jeremy Keith
Jeremy Keith lives in Brighton, England where he makes websites with the splendid design agency Clearleft.
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img {
float: left;
margin-right: 2em;
margin-bottom: 0.5em;
}
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img {
float: left;
margin-right: 2em;
margin-bottom: 0.5em;
shape-outside: circle();
}
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img {
float: left;
shape-outside: ellipse();
}
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img.grapes {
float: left;
shape-outside:
polygon(nonzero, 72.35%
83.95%, 45.5% 94.3%, 0% 100%,
0% 88.4%, 0% 23.7%, 38.7%
11.35%, 55% 11.1%, 63.5%
22.7%, 72.15% 20.75%, 79.1%
30.6%, 79.8% 34.55%, 87.6%
43.95%, 83.7% 57.3%, 89.15%
65.7%, 92.55% 72.1%, 91.15%
83.2%);
}
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shape-outside: circle();
shape-outside: ellipse();
shape-outside: ellipse(25% 50%);
shape-outside: border-box;
shape-outside: margin-box;
shape-outside: inset(0px round 120px) border-box;
shape-outside: url(http://example.com/image.jpg);
attr >> 0%
shape-margin: 30px;
shape-image-threshold: 0.5;
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1
2 3
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A
Headline
That’s Rotated
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“This is a fancy
pull-quote that could
be very big.”
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Grid
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drafts.csswg.org/css-grid/
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Browser
Support
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IE & Edge implementation, by Microsoft
IE
old spec in IE10+
-ms-* prefix
Edge
new spec TBA
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Prefixes
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SCSS
CSS
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SCSS
CSS
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main { /* autoprefixer: off */
display: grid;
grid-template-columns: repeat(12, 60px);
grid-gap: 20px;
}
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IE & Edge implementation, by Microsoft
IE
old spec in IE10+
-ms-* prefix
Edge
new spec TBA
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Blink implementation, by Igalia
Chrome
Chrome
Canary
Opera
Opera
Developer
“behind a flag”
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chrome://flags/#enable-experimental-web-platform-features
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opera://flags/#enable-experimental-web-platform-features
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Webkit implementation, by Igalia
Safari
nope
Safari
Technical
Preview
yup
* Not prefixed!
Just Works!
No flag!
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Firefox implementation, by Mozilla
“behind a flag”
Firefox
Firefox
Dev Edition
Firefox
Nightly
Just Works
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about:config
layout.css.grid.enabled
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nightly.mozilla.org
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addons.mozilla.org/addon/css-grid-inspector
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labs.jensimmons.com/workshop
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Feature Query
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p::first-letter {
color: rgba(255,190,150,0.9);
font-weight: bold;
margin-right: 0.5em;
-webkit-initial-letter: 4;
initial-letter: 4;
}
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p::first-letter {
color: rgba(255,190,150,0.9);
font-weight: bold;
margin-right: 0.5em;
-webkit-initial-letter: 4;
initial-letter: 4;
}
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@supports (initial-letter: 4 ) or
(-webkit-initial-letter: 4 ) {
p::first-letter {
color: rgba(255,190,150,0.9);
font-weight: bold;
margin-right: 0.5em;
-webkit-initial-letter: 4;
initial-letter: 4;
}
}
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@supports (property:value) {
// a bunch of CSS
}
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// layout using old-technology
@supports (display:grid) {
// overrides to undo old layout
// layout using new-technology
}
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Flexbox
Grid
Alignment
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Alignment (lvl3)
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justify-content
align-content
justify-self
align-self
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css-tricks.com/snippets/css/a-guide-to-flexbox
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From CSS Box Alignment Module Level 3 — drafts.csswg.org/css-align
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From CSS Box Alignment Module Level 3 — drafts.csswg.org/css-align
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flexboxdefense.com flexboxfroggy.com
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Flexbox
vs.
Grid
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Grid
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Grid Container
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Grid Items
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item
item
item
this is an anonymous grid item
item
hello word
more stuff
conclusion
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…
… … body { display: grid; }
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…
… … body { display: grid; } main { display: grid; }
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…
… … body { display: grid; } main { display: grid; } article { display: grid; }
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…
… … body { display: grid; } main { display: subgrid; } article { display: subgrid; }
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Terminology
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Grid Area
Grid Line
Grid Track
Grid Track
Grid Cell
Grid Line
Grid Line
Grid Line
Grid Line
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Grid Area
Grid Track
Grid Track
Grid
Cell
Grid Line
Grid Line
Grid Line
Grid Line
Grid Line
Grid Gap
Grid Gap
Grid Gap
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The Grid
vs.
The content
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• Exists in HTML
• Can be styled,
like anything in HTML
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• Exists in CSS
• Can NOT be styled
• It doesn’t exist
in the DOM
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Grid Line Numbers
Line Numbers,
not track numbers —
different than what
we are used to!
1
2
3
4
5
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main {
display: grid;
grid-template-columns: repeat(5, 1fr);
grid-template-rows: repeat(4, 1fr);
}
aside {
grid-column: 1 / 3;
grid-row: 1 / -1;
background: yellow;
}
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.grid-container {
display: grid;
}
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.grid-container {
display: grid;
grid-template-columns: 60px 60px 60px 60px 60px 60px;
grid-gap: 20px;
}
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labs.jensimmons.com/workshop
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div {
width: 400px;
padding: 25px;
}
What is the size
of the
box?
Internet Explorer: 400px
Everyone else: 450px
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div {
width: 400px;
padding: 25px;
}
What is the calculated
size of the box?
Everyone: 400px
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.grid-container {
display: grid;
grid-template-columns: 1fr 1fr 1fr;
}
some other syntax options (each with different results)
grid-template-columns: 1fr 5fr 2.5fr;
grid-template-columns: 8em 1fr 300px;
grid-template-columns: 1fr 1fr 2fr 3fr 5fr 8fr 13fr 21fr 34fr;
grid-template-columns: repeat(7, 1fr);
grid-template-columns: repeat(3, 200px 1fr 25%);
grid-template-columns: repeat(auto-fill, 10em);
grid-template-columns: repeat(auto-fill, minmax(200px, 1fr);
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Units for setting Grid Track Sizes
• Length: pX, em, rem, VW, VH…
• percent
• factor unit: 1fr
• auto
• measurement of content: min-content or max-content
• MINMAX(); …like MINMAX(200px, 1fr);
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.grid-item {
grid-column: 1 / 5; // goes from vertical line 1 to 5
grid-row: 3 / 5 // goes from horizontal line 3 to 5
}
some other syntax options (each with different results)
grid-column: 3 / 5; // starts at line 3, goes to line 5
grid-column: 3 / span 2; // starts at line 3, spans 2 cells
grid-column: span 2 / 5; // spans 2 cells, ends at line 5
grid-column: span 2; // spans 2 cells, placed by algorithm
grid-column: 4; // starts at line 4
grid-column: 1 / -1; // starts at line 1, goes to line -1
grid-column: horse / pig;
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grid-column: 1 / 2;
grid-row: 1 / 2;
grid-column: 5 / 6;
grid-row: 1 / 2;
grid-column: 2 / 4;
grid-row: 2 / 3;
grid-column: 3 / 5;
grid-row: 3 / 5;
1
2
3
4
5
grid-column: 1 / 2;
grid-row: 4 / 5;
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1 6
6 lines
5 tracks
4 gaps
2 3 4 5
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Grid Line Numbers
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-5
-4
-3
-2
-1
-6 -5 -4 -3 -2 -1
1
2
3
4
5
cow
horse
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Explicit Grid
vs
Implicit Grid
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by Manuel Rego Casasnovas
http://blogs.igalia.com/mrego/2016/02/01/deep-dive-into-grid-layout-placement/
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Sparse & Dense
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11
8 9 10
7
6
5
1 2 3
4
auto placement
algorithm
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13
11
8
9 10
7
6
5
1 2 3
4
12
grid-auto-flow: dense;
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Named Lines
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grid-template-rows:1fr 1fr 1fr;
grid-template-rows:[cow] 1fr [horse] 1fr [dog] 1fr [pig];
grid-template-rows: repeat(auto-fit, 200px 1fr);
grid-template-rows: repeat(auto-fit, [dog] 200px [cat] 1fr);
grid-template-rows: repeat(4,
[even-start even-end] 80px [odd-start odd-end] 80px);
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grid-template-rows: repeat(4,
[even-start even-end] 80px [odd-start odd-end] 80px);
grid-template-rows: repeat(4,
unquote("[even-start even-end] 80px [odd-start odd-end] 80px"));
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Areas
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Grid Container
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Grid Items
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Grid Area
Grid Line
Grid Track
Grid Track
Grid Cell
Grid Line
Grid Line
Grid Line
Grid Line
header
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www.layout.land