How To Use Flexbox In Web Projects

How To Use Flexbox In Web Projects

Flexbox is a powerful CSS feature that allows you to easily and efficiently manage the layout of your website. It makes it easy to create responsive designs, or even integrate dynamic resizing if you want. Flexbox is one of the most powerful CSS features for layout. It makes it easy to align elements, resize them appropriately and adapt to different screen sizes.

Contents

Why FlexBox

Flexible boxes, or Flexbox, is a new layout mode in CSS3.The Flexible Box Layout Module, makes it easier to design flexible responsive layout structure without using float or positioning. Use of Flexbox ensures that elements behave predictably when the page layout must accommodate different screen sizes and different display devices

It allows you to control the layout in a parent container. It offers some useful settings, which allow you to control the alignment of the items and to distribute the extra space. Flexbox is one-dimensional. That means it lays out its items in one dimension – either horizontally or vertically.

Benefits of CSS3 FlexBox

  • For many applications, the flexible box model provides an improvement over the block model in that it does not use floats
  • A “new” way of looking at responsive layouts
  • Makes “mobile first” layouts a breeze
  • page content can be laid out in any direction (to the left, to the right, downwards or even upwards)
  • bits of content can have their visual order reversed or rearranged
  • items can “flex” their sizes to respond to the available space and can be aligned
  • with respect to their container or each other
  • offer space distribution between items in an interface and powerful alignment capabilities

Basic Components and Terminologies

The CSS Flexbox specification describes a layout with items (flex-items) inside a container (flex-container). These items can grow or shrink in width and/or height, according to the available container space. The items “flex” to fit the parent container in the best possible way.

A flex container is declared by setting the display property of an element to either flex (rendered as a block) or inline-flex (rendered as inline). Inside a flex  container  there  is one or more flex items.

Everything outside a flex container and inside a flex items is rendered as usual.

Flex items are positioned inside a flex container along a flex line.Flexbox ComponetTo make an element a flex-container, set its display property to flex.

Display: flex

Example

Example1

 

 

 

 

 

 

 

 

 

 

 

HTML code

HTML

Result

HTML Result

Flex Direction Property

You can control the flow direction of flex items by defining flex-direction. This is done on the container level, not the item level.

  • row (default, horizontal, from left to right)
  • row-reverse (horizontal, from right to left)
  • column (vertical, from top to bottom)
  • column-reverse (vertical, from bottom to up)

When we did not specify flex-direction, it used the default value, which is row. For horizontal placement, but from the other direction, you can use row-reverse. For vertical, you can use either column or column-reverse.

Example (Row-reverse)

Row reverse

Row reverse1

 

 

 

 

 

 

 

 

Result

 

Row reverse Result

Example (Column)

Column

Column code

 

 

Result

 

Column Result

Example (Column-Reverse)

Column Reverse

Column Reverse code

 

 

 

 

 

 

 

 

Result

 

Column Reverse Result

Justify content (Horizontal Alignment property)

The justify-content property can be used not only for aligning items, but also for spreading items evenly across all the available space on the main axis.

The  possible  values  are  as  follows:

Flex-start – Default value. Items are positioned at the beginning of    the container

Flex-end – Items are positioned at the end of the container center – Items are positioned at the center of the container

Space-between – Items are positioned with space between the lines

Space-around – Items are positioned with space before, between, and after the lines

Example (Flex-end)

Flex end

Flex end code

 

 

Result

 

Flex end Result

Example (Flex-center)

Flex center

Flex center code

 

 

Result

 

Flex center result

Example (space-between)

Space between

Space between code

 

 

Result

 

Space between Result

Align Items Property (Vertical Alignment)

The align-items property vertically aligns the flexible container’s items when the items do not use all available space on the cross-axis

The possible values are as follows:

Stretch – Default value. Items are stretched to fit the container

Flex-start – Items are positioned at the top of  the container

Flex-end – Items are positioned at the bottom of the container

Center – Items are positioned at the center of the container (vertically)

Baseline – Items are positioned at the baseline of the container

Example (stretch)

Streach

Streach code

 

 

Result

 

Streach result

Example(Flex-start)

Flex start

Flex start code

 

 

Result

 

Flex start result

Example(Flex-end)

Eng Flex

Eng Flex

Result

 

Eng Flex Result

Example (center)

Example center

Example center code

 

 

Result

 

Example center Result

Flex-wrap property

The flex-wrap  property  specifies  whether the  flex  items should  wrap or not, if there is not enough room for them on one flex line

The possible values are as follows:

No wrap – Default value. The flexible items will not wrap wrap – The  flexible  items  will  wrap    if  necessary

Wrap-reverse – The flexible items will wrap, if necessary, in reverse order

Example (no wrap)

Nowarp

Nowarp code

 

 

Result

 

Nowarp code result

Example (wrap)

Wrap

Wrap code

 

 

Result

 

Wrap result

Flex item properties-Ordering

The  order  property  specifies the order of a flexible item relative to the rest of the flexible items inside the same container

Example (ordering)

Ordering

Ordering code

 

 

Result

 

Ordering result

Flex item Properties-Margin

Setting margin: auto; will absorb extra space it can be used to push flex items into different positions.

Example

Property Margin

Property Margin Code

 

 

Result

 

Property Margin Result

Setting margin: auto;  will  make the  item perfectly centered in both axis

Setting Margine

Setting Margine code

 

Result

 

Setting Margine result

Flex item property- Flex

The  flex   property  specifies the   length  of   the  flex  item, relative  to  the   rest     of  the  flex  items   inside the same container

Item Flex

CSS3 Flexbox  Properties (Summary)

  • Display- Specifies the type of box used for an HTML element
  • Flex-direction- Specifies the direction of the flexible items inside a flex container
  • Justify-content- Horizontally aligns the flex items when the items do not use all available space on the main-axis
  • Align-items- Vertically aligns the flex items when the items do not use all available space on the cross-axis
  • Flex-wrap- Specifies whether the flex items should wrap or not, if there is not enough room for them on one flex line
  • Align-content- Modifies the behavior of the flex-wrap property. It is similar to align-items, but instead of aligning flex items, it aligns flex lines
  • Flex-flow- A shorthand property for flex-direction and flex-wrap
  • Order- Specifies the order of a flexible item relative to the rest of the flex items inside the same container
  • Align-self- Used on flex items. Overrides the container’s align-items property
  • Flex- Specifies the length of a flex item, relative to the rest of the flex items inside the same container

Conclusion:

Flexbox is a powerful CSS layout method that makes responsive development easier. It’s easy to understand and use, especially once you’ve used it a few times. It’s perfect for any situation where you need to make elements more flexible, reorder elements, or create a responsive layout.

While working with Flexbox, it’s important to remember that you aren’t creating a layout from scratch. Instead, you are creating a layout from a single element. All the other elements will be resized and reordered around that central element.

If you are looking to create a responsive layout, or you have lots of content on a page, then it’s a good idea to use Flexbox. It will make your layout easier to create and it will resize as the screen size changes. For more information please consult with Andolasoft.

Summary
How To Use Flexbox In Web Projects
Article Name
How To Use Flexbox In Web Projects
Description
Flexbox is a powerful CSS layout method that makes responsive development easier. It’s easy to understand and use, especially once you’ve used it a few times. It’s perfect for any situation where you need to make elements more flexible, reorder elements, or create a responsive layout.
Author
Publisher Name
Andolasoft

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