CSS Grid Direction is a powerful tool for creating complex layouts, but it can be overwhelming for beginners. Grid Direction determines the flow of items within a grid container, and it's essential to understand how to control it.
Grid Direction can be set to either 'row' or 'column', which affects how items are arranged within the grid. For example, if Grid Direction is set to 'row', items will be arranged horizontally, while 'column' will arrange them vertically.
Understanding Grid Direction is crucial for responsive web design, as it allows developers to create layouts that adapt to different screen sizes and devices. By mastering Grid Direction, you can create complex layouts that are both functional and visually appealing.
Grid Layout Basics
Grid layouts are a powerful tool in design, and understanding the basics is essential. You can create grid layouts with Penpot by following a specific process.
To apply a grid layout, you need to apply the grid, create the columns and rows, and choose the flow direction. I've applied the grid to the main group area that contains a collection of cards. The flow direction is a crucial aspect of grid layouts.
The default layout direction of a grid is not explicitly mentioned in the article. However, we can infer that it's an important aspect of grid layouts.
Auto-fit and auto-fill are two terms that are often used in grid layouts. Auto-fill is not explicitly defined in the article, but we can assume it's related to the sizing of grid elements. Auto-fit is not mentioned at all.
You can choose the layout sizing and the sizing of the grid elements. The article doesn't provide a clear definition of min-content, max-content, or auto-placement, but it does mention that you can choose the layout sizing and the sizing of the grid elements.
Here's a summary of the CSS grid terms mentioned in the article:
- Grid layout
- Auto-fit
- Auto-fill
- Min-content
- Max-content
- Auto-placement
Grid Properties
Grid properties play a crucial role in defining the layout and structure of a CSS grid.
The grid-template-columns property is used to define the number and size of columns in a grid.
You can use the grid-template-columns property to create a grid with a specific number of columns, such as grid-template-columns: 1fr 2fr; which creates a grid with two columns, one taking up one fractional unit of space and the other taking up two fractional units.
The grid-template-rows property is used to define the number and size of rows in a grid.
Template-Columns
Grid template-columns is a crucial property for defining the columns of a grid. It's a space-separated list of values that represent the track size, with the space between them representing the grid line.
You can use a length, a percentage, or the fr unit to specify the track size. The fr unit allows you to set the size of a track as a fraction of the free space of the grid container.
For example, you can set each item to one third the width of the grid container using 1fr 1fr 1fr. This is equivalent to defining each track size as 1fr.
Grid lines are automatically assigned positive numbers from these assignments, with -1 being an alternate for the very last row. However, you can choose to explicitly name the lines using the bracket syntax.
Here are some examples of track sizes:
- 50px
- 20%
- 1fr
Note that multiple lines can share the same name, and they can be referenced by their line name and count. For instance, the second line can be named row1-end and row2-start.
Parent Properties
The Parent Properties of Grid Containers are quite extensive. There are 20 properties in total that can be applied to a grid container.
The display property is one of them, which is used to specify the display type of an element. It's essential to set this property to 'grid' to create a grid container.
Grid template properties are another crucial set of properties. These include grid-template-columns, grid-template-rows, grid-template-areas, and grid-template. These properties allow you to define the structure of your grid.
Here are some key grid template properties:
- grid-template-columns: specifies the number and widths of columns in a grid
- grid-template-rows: specifies the number and heights of rows in a grid
- grid-template-areas: defines named grid areas using a string of names separated by spaces
- grid-template: a shorthand property for setting grid-template-columns and grid-template-rows
Gap properties are also important for creating a visually appealing grid. These include grid-column-gap, grid-row-gap, and grid-gap. These properties allow you to specify the gap between grid cells.
Other properties, such as justify-items, align-items, place-items, justify-content, align-content, and place-content, can be used to control the alignment and placement of grid items.
The grid-auto-columns, grid-auto-rows, and grid-auto-flow properties are used to control the automatic creation of grid tracks. And finally, the grid property is a shorthand property for setting all the other grid properties.
Column-Gap
The column-gap property specifies the size of the grid lines, setting the width of the gutters between the columns.
You can set a length value for the gutters, such as 10px or 20%.
The gutters are only created between the columns, not on the outer edges.
The unprefixed property is already supported in Chrome 68+, Safari 11.2 Release 50+, and Opera 54+.
Grid Item Properties
Grid Item Properties are a crucial part of CSS Grid Layout. You can use the following properties to place items by line number: grid-column-start, grid-column-end, grid-row-start, and grid-row-end.
These properties have shorthands that allow you to set both start and end lines at once: grid-column and grid-row. To place an item, set the start and end lines of the grid area it should be placed into.
Here are the properties you can use to place items by line number:
- grid-column-start
- grid-column-end
- grid-row-start
- grid-row-end
And their shorthands:
- grid-column
- grid-row
You can use Chrome DevTools to get a visual guide to the lines and check where your item is placed. The line numbering follows the writing mode and direction of the component.
Grid Item Positioning
Grid Item Positioning is a crucial aspect of CSS Grid direction. You can use the grid-column-start and grid-column-end properties to place an item from one line to another.
To place an item, you can use the properties grid-column-start, grid-column-end, grid-row-start, and grid-row-end. These properties have shorthands, such as grid-column and grid-row, which allow you to set both start and end lines at once.
You can also use the grid-template-columns and grid-template-rows properties to define the size and position of each part of the grid. For example, you can use grid-template-columns: 1fr 2fr to create two columns with a 1:2 ratio.
Here are the properties you can use to place items by line number:
- grid-column-start
- grid-column-end
- grid-row-start
- grid-row-end
These properties have shorthands, such as grid-column and grid-row, which allow you to set both start and end lines at once.
Edit Cell Positioning
You can change each grid cell's start and end column and row lines. This is especially useful for creating a bento box layout where content spans multiple grid cells.
To place an item in a grid cell, you can use the grid-column-start, grid-column-end, grid-row-start, and grid-row-end properties. These properties determine a grid item's location within the grid by referring to specific grid lines.
You can also use the grid-column and grid-row shorthand properties, which combine the grid-column-start and grid-column-end, and grid-row-start and grid-row-end properties, respectively.
To span multiple tracks, you can use the span keyword plus the number of lines to span as a value for grid-column-end or grid-row-end.
Here's a summary of the properties you can use to place items in a grid cell:
By using these properties, you can precisely control the position and size of your grid cells and create complex layouts with ease.
Auto-Fill and Auto-Fit
Auto-fill and auto-fit keywords can be used together with repeat() to create a grid with as many tracks as will fit in the container.
You can use the auto-fill keyword to create a grid with empty tracks, but if you change the keyword to auto-fit, the tracks collapse down to 0 size.
The auto-fill and auto-fit keywords otherwise act in exactly the same way, with the only difference being how they handle empty tracks.
By using the auto-fit keyword, the flexible tracks now grow to consume the space, creating a more dynamic grid layout.
Grid Item Alignment
Grid item alignment is a crucial aspect of CSS grid direction. You can control how grid items are aligned and distributed within the grid container using various properties.
The Design panel has four sets of buttons to fine-tune your grid layout's element alignment and justification. For a bento-style grid, you can use stretch justification for items across both rows and columns.
To align a grid item inside a cell along the block (column) axis, use the align-self property. This value applies to the content inside a single grid item. You can align a grid item to be flush with the start edge of the cell, end edge of the cell, center of the cell, or fill the whole height of the cell.
Here are the possible values for the align-self property:
You can also set the alignment of all grid items inside the container using the align-items property. This value applies to all grid items inside the container and aligns them along the block (column) axis.
Grid Item Flexibility
You can fine-tune how items are aligned and distributed within a grid layout using the Design panel's buttons.
The Design panel has four sets of buttons to control grid item alignment and justification, including block (column) item alignment, inline (row) item alignment, block (column) item justification, and inline (row) item justification.
For a bento-style grid, you can use stretch justification for items across both rows and columns, which pairs well with flex layouts that fill available space.
You can override block and inline alignment and justification in grid element settings for each grid cell, allowing for custom alignment of individual items.
To distribute space among grid items, you can use the fr unit, which describes a share of the available space in the grid container.
The fr unit works similarly to flex: auto in flexbox, distributing space after items have been laid out.
To have three columns with equal share of available space, you can use three fr units in the grid-template-columns property.
You can combine the fr unit with fixed size gaps or fixed size tracks to create custom layouts.
For example, you can use grid-template-columns: 200px 1fr to create a component with a fixed size element and the second track taking up whatever space is left.
Using different values for the fr unit will share the space in proportion, with larger values getting more of the spare space.
Grid Item Placement
Grid item placement is a crucial aspect of CSS Grid direction. The simplest way to place items onto the grid is to place them from one line to another, and you'll always have access to those numbered lines.
You can use properties like grid-column-start, grid-column-end, grid-row-start, and grid-row-end to place items by line number. They have shorthands like grid-column and grid-row that allow you to set both start and end lines at once.
Here are the properties you can use to place items by line number:
- grid-column-start
- grid-column-end
- grid-row-start
- grid-row-end
You can also use the shorthands grid-column and grid-row to set both start and end lines at once.
The line numbering follows the writing mode and direction of the component, so keep that in mind when placing your items. Chrome DevTools can give you a visual guide to the lines in order to check where your item is placed.
Grid Gaps and Lines
Grid gaps are a crucial aspect of CSS grid direction, allowing you to add spacing between grid cells. You can think of it like setting the width of the gutters between the columns/rows.
Grid gaps can be specified using the gap property, which is a shorthand for row-gap and column-gap. If no row-gap is specified, it's set to the same value as column-gap. The unprefixed gap property is already supported in Chrome 68+, Safari 11.2 Release 50+, and Opera 54+.
Column and row sizes specified in fractions (fr) are calculated after the row and column gaps have been added. This makes it easier to keep your layouts flexible without having to do any complicated math.
Gaps
Gaps are an essential part of grid layouts, providing a gutter or alley between tracks that act like regular tracks for sizing purposes.
You can't place content into a gap, but you can span grid items across it.
Gaps are a key element in layouts like the bento style, where they emphasize the structure of the grid by adding spaces between cells.
Row gap refers to the space between each row, while column gap refers to the space between each column.
Column and row sizes specified in fractions (fr) are calculated after the row and column gaps have been added, making it easy to keep layouts flexible without complicated math.
Here's a breakdown of the different types of gaps:
As you experiment with different values for align-content and justify-content, you'll notice how the gaps become larger, and grid items spanning two tracks grow to absorb the additional space added to the gap.
Lines
Grid lines are made up of lines that run horizontally and vertically, with the number of lines equal to the number of columns plus one.
The first line is numbered as 1, and the numbering follows the writing mode and script direction of the component.
In a left-to-right language like English, column line 1 will be on the left, while in a right-to-left language like Arabic, it will be on the right.
You can name any line on your grid by adding a name between square brackets, and multiple names can be added, separated by a space inside the same brackets.
Named lines can be used instead of numbers, making it easier to place items into a layout.
Grid Shorthand Properties
Grid shorthand properties can look a little confusing at first, but they're actually quite useful.
You can set many grid properties in one go using these shorthand properties, which can save you time and make your code more concise.
There are two shorthand properties available, and whether you choose to use them or prefer to use longhands is entirely up to you.
The shorthand properties can look a bit messy until you break down how they go together, so it's worth taking a closer look to understand how they work.
These properties can be a game-changer for your CSS grid layouts, allowing you to set multiple properties with a single line of code.
Frequently Asked Questions
What is FR in CSS Grid?
The FR unit in CSS Grid represents a fraction of the available space in the grid container, allowing for flexible and dynamic layout arrangements. This unit is a key feature of CSS Grid, enabling more adaptable and responsive designs.
Sources
- https://penpot.app/blog/tutorial-how-to-create-responsive-css-grid-layouts-in-penpot/
- https://medium.com/samsung-internet-dev/common-responsive-layouts-with-css-grid-and-some-without-245a862f48df
- https://css-tricks.com/snippets/css/complete-guide-grid/
- https://www.lambdatest.com/blog/css-grid-best-practices/
- https://web.dev/learn/css/grid
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