Introduction to the style of html5 table tag (attached is an example of html5 table css centering)

width: the width of the column

align: the horizontal arrangement of cell content ：right left center

valign: vertical arrangement of cell content: top bottom middle baseline

colspan: the number of columns that the cell can span

rowspan: the number of columns that the cell can span Number of rows

rowspan=3 tr

nowrap: Specifies whether the content in the cell should be folded

table Unique style attributes:

1. Border merge

Attribute: border-collapse

Value:

1. separate

Default value, separate border mode

2.collapse

Border merge mode

2.Border margin

1. Function

Set the distance between adjacent cell borders (similar to cellspacing)

2. Attribute

border-spacing

Value:

1. Take 1 value

means the horizontal and vertical spacing are equal

2. Take 2 values ​​

The horizontal spacing represented by one value

The vertical spacing represented by the second value

Separate the two values ​​with a space

3. Requirements

border-collapse must be separate

Must be valid in separate border mode

3. Title position

Function: Change the title position from the default position to below the table

Attribute: caption-side

Value:

1. top

Default

2. Bottom

The title is under the table

Use div to center the table in css:

I saw that using display: table-cell can render a div into a cell, and the content in the table td is all centered. Then I thought of a div containing a div, and the div inside is vertically centered. I guess it can be done. Use:

Set the outer div to display:table-cell, then the inner div will be automatically centered vertically.

After testing, I found that the inner div is not centered, then use vertical-align to center it. Because:

Only if one element belongs to inline or inline-block (table-cell can also be understood as inline-block level) level, the vertical-align attribute on it will work.

For example, pictures, buttons, single check boxes, single-line/multi-line text boxes and other HTML controls. Only these elements will have an effect on the vertical-align attribute by default.

Now you can use vertical-align:middle in table-cell to center the content vertically. What if I want to achieve horizontal centering? text-algin: center, suitable for inline elements, then I just need to set the div inside to line-block

Code verification:

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