Center elements

Flexbox: Center elements, even the last row

Center elements using Flexbox, even the elements in the last row by using flex flow-row flex-wrap justify-center classes.

flex-wrap will wrap div elements to the next row if there is not enough space.
justify-center will center the elements in the row.
Resize the browser window to see the effect. Notice the content inside the div is not center.

Live Demo

Flexbox Centering

This layout centers its *child* div both vertically and horizontally using Flexbox.

Horizontal

Vertical

Code: LayoutFlexCenter.jsx

export default function LayoutFlexCenter() {
    return (
        <div className="border-1 flex flow-row flex-wrap justify-center">
            
            <div className="border-1 p-4 m-4">
                <h1>Flexbox Centering</h1>
                <p>This layout centers its *child* div both vertically and horizontally using Flexbox.</p>
            </div>

            <div className="border-1 p-4 m-4">
                <h1>Horizontal</h1>
                <img src="https://placehold.co/250x100" />
            </div>

            <div className="border-1 p-4 m-4">
                <h1>Vertical</h1>
                <img src="https://placehold.co/100x250" />
            </div>

        </div>
    );
}

Flexbox: Center everything horizontally and vertically

text-center to center text horizontally inside the div.
items-center to center the items vertically.

Live Demo

Flexbox Centering

This layout centers everything both vertically and horizontally using Flexbox.

Horizontal

Vertical

Code: LayoutFlexCenterEverything.jsx

export default function LayoutFlexCenter() {
    return (
        <div className="border-1 flex flow-row flex-wrap justify-center text-center items-center">
            
            <div className="border-1 p-4 m-4">
                <h1>Flexbox Centering</h1>
                <p>This layout centers everything both vertically and horizontally using Flexbox.</p>
            </div>

            <div className="border-1 p-4 m-4">
                <h1>Horizontal</h1>
                <img src="https://placehold.co/250x100" />
            </div>

            <div className="border-1 p-4 m-4">
                <h1>Vertical</h1>
                <img src="https://placehold.co/100x250" />
            </div>

        </div>
    );
}

Flexbox: Center everything with equal width and height

items-stretch will stretch the divs to the same height.
flex-1 will make the divs take equal width.
After these 2 changes, the images are left aligned instead of center, whereas the texts are centered. The reason is that Tailwind’s Preflight resets make <img> a block‐level element by default, and block elements don’t obey their parent’s text-align. Your .text-center is centering inline text but has no effect on a block <img>. To center those images you can for example add mx-auto:
Ref: https://stackoverflow.com/questions/67417275/cards-of-same-height-in-tailwind-css

Live Demo

Flexbox Centering

This layout centers everything both vertically and horizontally using Flexbox.

Horizontal

Vertical

Code: LayoutFlexCenterEqualWidth.jsx

export default function LayoutFlexCenterEqualWidth() {
    return (
        <div className="border-1 flex flow-row flex-wrap justify-center text-center items-center items-stretch">
            
            <div className="flex-1 border-1 p-4 m-4">
                <h1>Flexbox Centering</h1>
                <p>This layout centers everything both vertically and horizontally using Flexbox.</p>
            </div>

            <div className="flex-1 border-1 p-4 m-4">
                <h1>Horizontal</h1>
                <img src="https://placehold.co/250x100"
                    className="mx-auto"
                />
            </div>

            <div className="flex-1 border-1 p-4 m-4">
                <h1>Vertical</h1>
                <img src="https://placehold.co/100x250" 
                    className="mx-auto"
                />
            </div>

        </div>
    );
}