O melhor lado da flexbox css

… To compute the size of the strut, flex layout is first performed with all items uncollapsed, and then re-run with each collapsed item replaced by a strut that maintains the original cross-size of the item’s original line.

Name: flex-grow Value: Initial: 0 Applies to: flex items Inherited: no Percentages: n/a Computed value: specified number Canonical order: per grammar Animation type: by computed value type Authors are encouraged to control flexibility using the flex shorthand rather than with flex-grow directly, as the shorthand correctly resets any unspecified components to accommodate common uses.

Set the item’s target main size to its flex base size plus a fraction of the remaining free space proportional to the ratio. If using the flex shrink factor For every unfrozen item on the line, multiply its flex shrink factor by its inner flex base size, and note this as its scaled flex shrink factor. Find the ratio of the item’s scaled flex shrink factor to the sum of the scaled flex shrink factors of all unfrozen items on the line. Set the item’s target main size to its flex base size minus a fraction of the absolute value of the remaining free space proportional to the ratio. Note this may result in a negative inner main size; it will be corrected in the next step. Otherwise Do nothing. Fix min/max violations. Clamp each non-frozen item’s target main size by its used min and max main sizes and floor its content-box size at zero. If the item’s target main size was made smaller by this, it’s a max violation. If the item’s target main size was made larger by this, it’s a min violation. Freeze over-flexed items. The Completa violation is the sum of the adjustments from the previous step ∑(clamped size - unclamped size). If the total violation is: Zero Freeze all items. Positive Freeze all the items with min violations. Negative Freeze all the items with max violations. Return to the start of this loop. Set each item’s used main size to its target main size. 9.oito. Definite and Indefinite Sizes

positioned layout, designed for very explicit positioning without much regard for other elements in the document

flex: initial Equivalent to flex: 0 1 Automóvel. (This is the initial value.) Sizes the item based on the width/height properties. (If the item’s main size property computes to Automóvel, this will size the flex item based on its contents.) Makes the flex item inflexible when there is positive free space, but allows it to shrink to its minimum size when there is insufficient space. The alignment abilities or auto margins can be used to align flex items along the main axis. flex: Automóvel Equivalent to flex: 1 1 auto. Sizes the item based on the width/height properties, but makes them fully flexible, so that they absorb any free space along the main axis. If all items are either flex: Automóvel, flex: initial, or flex: none, any positive free space after the items have been sized will be distributed evenly to the items with flex: Automóvel.

Align all flex items along the cross-axis per align-self, if neither of the item’s cross-axis margins are auto. Determine the flex container’s used cross size: If the cross size property is a definite size, use that, clamped by the used min and max cross sizes of the flex container. Otherwise, use the sum of the flex lines' cross sizes, clamped by the used min and max cross sizes of the flex container. Align all flex lines per align-content. nove.7. Resolving Flexible Lengths

Note: The initial values of flex-grow and flex-basis are different from their defaults when omitted in the flex shorthand. This is so that the flex shorthand can better accommodate the most common cases.

For each flex item, subtract its outer flex base size from its max-content contribution size. If that result is positive, divide by its flex grow factor floored at 1; if negative, divide by its scaled flex shrink factor having floored the flex shrink factor at 1. This is the item’s max-content flex fraction. Place all flex items into lines of infinite length. Within each line, find the largest max-content flex fraction among all the flex items.

By default, flex items are laid out in the source order. However, the order property controls the order in which they appear in the flex container.

Se você precisar de que a área de conteúdo tenha este dobro da largura por  e  defina flex: 2para .content e deixe ESTES outros 2 em 1:

Otherwise, size the item into the available space using its used flex basis in place of its main size, treating a value of content as max-content. If a cross size is needed to determine the main size (e.g. when the flex item’s main size is in its block axis) and the flex item’s cross size is Automóvel and not definite, in this calculation use fit-content as the flex item’s cross size.

Return to the previous step, but starting from the first line not already laid out. For each fragment of the flex container, continue the flex layout algorithm from Cross Axis Alignment to its finish. Appendix A: Axis Mappings

Add explicit conformance criteria on authoring tools to keep presentation and DOM saiba mais order in sync unless author explicitly indicates a desire to make them out-of-sync. (Issue oito) In order to preserve the author’s intended ordering in all presentation modes, authoring tools—including WYSIWYG editors as well as Web-based authoring aids—must reorder the underlying document source and not use order to perform reordering unless the author has explicitly indicated that the underlying document order (which determines speech and navigation order) should be out-of-sync

Changed the behavior of the new auto initial value of min-width/min-height to Take into account whether overflow is visible, since when overflow is explicitly handled, it is confusing (and unnecessary) to force enough size to show all the content. Take into account the specified width/height, so that the implied minimum is never greater than the specified size.

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